Home / 18,332.13-25,300.40-10,374.87

Finding the Fourth Proportional to 18,332.13, 25,300.40 and 10,374.87

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Solution

The fourth proportional to 18,332.13, 25,300.40 and 10,374.87 is: 14,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.13 : 25,300.40 = 10,374.87 : x
  2. Step 2: Convert to fraction form
    18,332.13/25,300.40 = 10,374.87/x
  3. Step 3: Cross multiply
    18,332.13x = 25,300.40 × 10,374.87
  4. Step 4: Simplify right side
    18,332.13x = 262,488,360.95
  5. Step 5: Solve for x
    x = 262,488,360.95/18,332.13
  6. Step 6: Final answer
    x = 14,318.49

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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.