Home / 18,737.38-25,869.54-11,674.18

Finding the Fourth Proportional to 18,737.38, 25,869.54 and 11,674.18

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Solution

The fourth proportional to 18,737.38, 25,869.54 and 11,674.18 is: 16,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.38 : 25,869.54 = 11,674.18 : x
  2. Step 2: Convert to fraction form
    18,737.38/25,869.54 = 11,674.18/x
  3. Step 3: Cross multiply
    18,737.38x = 25,869.54 × 11,674.18
  4. Step 4: Simplify right side
    18,737.38x = 302,005,666.48
  5. Step 5: Solve for x
    x = 302,005,666.48/18,737.38
  6. Step 6: Final answer
    x = 16,117.82

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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.