Home / 18,060.12-24,925.14-10,987.56

Finding the Fourth Proportional to 18,060.12, 24,925.14 and 10,987.56

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Solution

The fourth proportional to 18,060.12, 24,925.14 and 10,987.56 is: 15,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.12 : 24,925.14 = 10,987.56 : x
  2. Step 2: Convert to fraction form
    18,060.12/24,925.14 = 10,987.56/x
  3. Step 3: Cross multiply
    18,060.12x = 24,925.14 × 10,987.56
  4. Step 4: Simplify right side
    18,060.12x = 273,866,471.26
  5. Step 5: Solve for x
    x = 273,866,471.26/18,060.12
  6. Step 6: Final answer
    x = 15,164.16

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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.