Home / 18,354.87-25,330.31-10,396.92

Finding the Fourth Proportional to 18,354.87, 25,330.31 and 10,396.92

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Solution

The fourth proportional to 18,354.87, 25,330.31 and 10,396.92 is: 14,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.87 : 25,330.31 = 10,396.92 : x
  2. Step 2: Convert to fraction form
    18,354.87/25,330.31 = 10,396.92/x
  3. Step 3: Cross multiply
    18,354.87x = 25,330.31 × 10,396.92
  4. Step 4: Simplify right side
    18,354.87x = 263,357,154.66
  5. Step 5: Solve for x
    x = 263,357,154.66/18,354.87
  6. Step 6: Final answer
    x = 14,348.08

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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.