Home / 18,385.84-25,372.38-10,002.52

Finding the Fourth Proportional to 18,385.84, 25,372.38 and 10,002.52

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Solution

The fourth proportional to 18,385.84, 25,372.38 and 10,002.52 is: 13,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.84 : 25,372.38 = 10,002.52 : x
  2. Step 2: Convert to fraction form
    18,385.84/25,372.38 = 10,002.52/x
  3. Step 3: Cross multiply
    18,385.84x = 25,372.38 × 10,002.52
  4. Step 4: Simplify right side
    18,385.84x = 253,787,738.40
  5. Step 5: Solve for x
    x = 253,787,738.40/18,385.84
  6. Step 6: Final answer
    x = 13,803.43

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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.