Home / 25,815.59-38,715.63-9,173.43

Finding the Fourth Proportional to 25,815.59, 38,715.63 and 9,173.43

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Solution

The fourth proportional to 25,815.59, 38,715.63 and 9,173.43 is: 13,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.59 : 38,715.63 = 9,173.43 : x
  2. Step 2: Convert to fraction form
    25,815.59/38,715.63 = 9,173.43/x
  3. Step 3: Cross multiply
    25,815.59x = 38,715.63 × 9,173.43
  4. Step 4: Simplify right side
    25,815.59x = 355,155,121.71
  5. Step 5: Solve for x
    x = 355,155,121.71/25,815.59
  6. Step 6: Final answer
    x = 13,757.39

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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.