Home / 27,542.78-38,009.04-14,967.50

Finding the Fourth Proportional to 27,542.78, 38,009.04 and 14,967.50

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Solution

The fourth proportional to 27,542.78, 38,009.04 and 14,967.50 is: 20,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542.78 : 38,009.04 = 14,967.50 : x
  2. Step 2: Convert to fraction form
    27,542.78/38,009.04 = 14,967.50/x
  3. Step 3: Cross multiply
    27,542.78x = 38,009.04 × 14,967.50
  4. Step 4: Simplify right side
    27,542.78x = 568,900,306.20
  5. Step 5: Solve for x
    x = 568,900,306.20/27,542.78
  6. Step 6: Final answer
    x = 20,655.15

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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.