Home / 25,318.57-34,925.03-15,240.01

Finding the Fourth Proportional to 25,318.57, 34,925.03 and 15,240.01

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Solution

The fourth proportional to 25,318.57, 34,925.03 and 15,240.01 is: 21,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.57 : 34,925.03 = 15,240.01 : x
  2. Step 2: Convert to fraction form
    25,318.57/34,925.03 = 15,240.01/x
  3. Step 3: Cross multiply
    25,318.57x = 34,925.03 × 15,240.01
  4. Step 4: Simplify right side
    25,318.57x = 532,257,730.25
  5. Step 5: Solve for x
    x = 532,257,730.25/25,318.57
  6. Step 6: Final answer
    x = 21,022.42

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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.