Home / 14,535.38-20,086.36-12,381.62

Finding the Fourth Proportional to 14,535.38, 20,086.36 and 12,381.62

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Solution

The fourth proportional to 14,535.38, 20,086.36 and 12,381.62 is: 17,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.38 : 20,086.36 = 12,381.62 : x
  2. Step 2: Convert to fraction form
    14,535.38/20,086.36 = 12,381.62/x
  3. Step 3: Cross multiply
    14,535.38x = 20,086.36 × 12,381.62
  4. Step 4: Simplify right side
    14,535.38x = 248,701,545.32
  5. Step 5: Solve for x
    x = 248,701,545.32/14,535.38
  6. Step 6: Final answer
    x = 17,110.08

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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.