Home / 19,306.20-26,645.58-13,999.08

Finding the Fourth Proportional to 19,306.20, 26,645.58 and 13,999.08

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Solution

The fourth proportional to 19,306.20, 26,645.58 and 13,999.08 is: 19,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.20 : 26,645.58 = 13,999.08 : x
  2. Step 2: Convert to fraction form
    19,306.20/26,645.58 = 13,999.08/x
  3. Step 3: Cross multiply
    19,306.20x = 26,645.58 × 13,999.08
  4. Step 4: Simplify right side
    19,306.20x = 373,013,606.07
  5. Step 5: Solve for x
    x = 373,013,606.07/19,306.20
  6. Step 6: Final answer
    x = 19,320.92

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Half scale
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Double scale
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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.