Home / 25,572.58-38,358.79-11,516.15

Finding the Fourth Proportional to 25,572.58, 38,358.79 and 11,516.15

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Solution

The fourth proportional to 25,572.58, 38,358.79 and 11,516.15 is: 17,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,572.58 : 38,358.79 = 11,516.15 : x
  2. Step 2: Convert to fraction form
    25,572.58/38,358.79 = 11,516.15/x
  3. Step 3: Cross multiply
    25,572.58x = 38,358.79 × 11,516.15
  4. Step 4: Simplify right side
    25,572.58x = 441,745,579.46
  5. Step 5: Solve for x
    x = 441,745,579.46/25,572.58
  6. Step 6: Final answer
    x = 17,274.19

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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.