Home / 18,060.14-24,925.66-10,985.20

Finding the Fourth Proportional to 18,060.14, 24,925.66 and 10,985.20

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Solution

The fourth proportional to 18,060.14, 24,925.66 and 10,985.20 is: 15,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.14 : 24,925.66 = 10,985.20 : x
  2. Step 2: Convert to fraction form
    18,060.14/24,925.66 = 10,985.20/x
  3. Step 3: Cross multiply
    18,060.14x = 24,925.66 × 10,985.20
  4. Step 4: Simplify right side
    18,060.14x = 273,813,360.23
  5. Step 5: Solve for x
    x = 273,813,360.23/18,060.14
  6. Step 6: Final answer
    x = 15,161.20

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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.