Home / 18,332.12-25,298.10-9,948.56

Finding the Fourth Proportional to 18,332.12, 25,298.10 and 9,948.56

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Solution

The fourth proportional to 18,332.12, 25,298.10 and 9,948.56 is: 13,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.12 : 25,298.10 = 9,948.56 : x
  2. Step 2: Convert to fraction form
    18,332.12/25,298.10 = 9,948.56/x
  3. Step 3: Cross multiply
    18,332.12x = 25,298.10 × 9,948.56
  4. Step 4: Simplify right side
    18,332.12x = 251,679,665.74
  5. Step 5: Solve for x
    x = 251,679,665.74/18,332.12
  6. Step 6: Final answer
    x = 13,728.89

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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.