Home / 19,020.07-26,245.42-10,521.06

Finding the Fourth Proportional to 19,020.07, 26,245.42 and 10,521.06

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Solution

The fourth proportional to 19,020.07, 26,245.42 and 10,521.06 is: 14,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.07 : 26,245.42 = 10,521.06 : x
  2. Step 2: Convert to fraction form
    19,020.07/26,245.42 = 10,521.06/x
  3. Step 3: Cross multiply
    19,020.07x = 26,245.42 × 10,521.06
  4. Step 4: Simplify right side
    19,020.07x = 276,129,638.55
  5. Step 5: Solve for x
    x = 276,129,638.55/19,020.07
  6. Step 6: Final answer
    x = 14,517.80

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Half scale
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Double scale
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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.