Home / 27,562.44-38,035.98-14,987.20

Finding the Fourth Proportional to 27,562.44, 38,035.98 and 14,987.20

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Solution

The fourth proportional to 27,562.44, 38,035.98 and 14,987.20 is: 20,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,562.44 : 38,035.98 = 14,987.20 : x
  2. Step 2: Convert to fraction form
    27,562.44/38,035.98 = 14,987.20/x
  3. Step 3: Cross multiply
    27,562.44x = 38,035.98 × 14,987.20
  4. Step 4: Simplify right side
    27,562.44x = 570,052,839.46
  5. Step 5: Solve for x
    x = 570,052,839.46/27,562.44
  6. Step 6: Final answer
    x = 20,682.23

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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.