Home / 19,000.25-26,220.35-10,616.75

Finding the Fourth Proportional to 19,000.25, 26,220.35 and 10,616.75

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Solution

The fourth proportional to 19,000.25, 26,220.35 and 10,616.75 is: 14,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.25 : 26,220.35 = 10,616.75 : x
  2. Step 2: Convert to fraction form
    19,000.25/26,220.35 = 10,616.75/x
  3. Step 3: Cross multiply
    19,000.25x = 26,220.35 × 10,616.75
  4. Step 4: Simplify right side
    19,000.25x = 278,374,900.86
  5. Step 5: Solve for x
    x = 278,374,900.86/19,000.25
  6. Step 6: Final answer
    x = 14,651.12

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Half scale
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Double scale
Find fourth proportional to 19,001.25, 26,221.73 and 10,617.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.