Home / 23,355.54-32,230.62-13,145.76

Finding the Fourth Proportional to 23,355.54, 32,230.62 and 13,145.76

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Solution

The fourth proportional to 23,355.54, 32,230.62 and 13,145.76 is: 18,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,355.54 : 32,230.62 = 13,145.76 : x
  2. Step 2: Convert to fraction form
    23,355.54/32,230.62 = 13,145.76/x
  3. Step 3: Cross multiply
    23,355.54x = 32,230.62 × 13,145.76
  4. Step 4: Simplify right side
    23,355.54x = 423,695,995.17
  5. Step 5: Solve for x
    x = 423,695,995.17/23,355.54
  6. Step 6: Final answer
    x = 18,141.13

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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.