Home / 25,658.28-35,398.62-15,583.14

Finding the Fourth Proportional to 25,658.28, 35,398.62 and 15,583.14

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Solution

The fourth proportional to 25,658.28, 35,398.62 and 15,583.14 is: 21,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658.28 : 35,398.62 = 15,583.14 : x
  2. Step 2: Convert to fraction form
    25,658.28/35,398.62 = 15,583.14/x
  3. Step 3: Cross multiply
    25,658.28x = 35,398.62 × 15,583.14
  4. Step 4: Simplify right side
    25,658.28x = 551,621,651.27
  5. Step 5: Solve for x
    x = 551,621,651.27/25,658.28
  6. Step 6: Final answer
    x = 21,498.78

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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.