Home / 38,471.14-57,705.13-13,516.84

Finding the Fourth Proportional to 38,471.14, 57,705.13 and 13,516.84

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Solution

The fourth proportional to 38,471.14, 57,705.13 and 13,516.84 is: 20,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,471.14 : 57,705.13 = 13,516.84 : x
  2. Step 2: Convert to fraction form
    38,471.14/57,705.13 = 13,516.84/x
  3. Step 3: Cross multiply
    38,471.14x = 57,705.13 × 13,516.84
  4. Step 4: Simplify right side
    38,471.14x = 779,991,009.39
  5. Step 5: Solve for x
    x = 779,991,009.39/38,471.14
  6. Step 6: Final answer
    x = 20,274.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.