Home / 18,116.16-25,000.34-10,561.92

Finding the Fourth Proportional to 18,116.16, 25,000.34 and 10,561.92

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Solution

The fourth proportional to 18,116.16, 25,000.34 and 10,561.92 is: 14,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.16 : 25,000.34 = 10,561.92 : x
  2. Step 2: Convert to fraction form
    18,116.16/25,000.34 = 10,561.92/x
  3. Step 3: Cross multiply
    18,116.16x = 25,000.34 × 10,561.92
  4. Step 4: Simplify right side
    18,116.16x = 264,051,591.05
  5. Step 5: Solve for x
    x = 264,051,591.05/18,116.16
  6. Step 6: Final answer
    x = 14,575.47

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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.