Home / 18,304.43-25,260.24-9,920.93

Finding the Fourth Proportional to 18,304.43, 25,260.24 and 9,920.93

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Solution

The fourth proportional to 18,304.43, 25,260.24 and 9,920.93 is: 13,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.43 : 25,260.24 = 9,920.93 : x
  2. Step 2: Convert to fraction form
    18,304.43/25,260.24 = 9,920.93/x
  3. Step 3: Cross multiply
    18,304.43x = 25,260.24 × 9,920.93
  4. Step 4: Simplify right side
    18,304.43x = 250,604,946.52
  5. Step 5: Solve for x
    x = 250,604,946.52/18,304.43
  6. Step 6: Final answer
    x = 13,690.95

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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.