Home / 23,282.32-32,129.24-13,720.69

Finding the Fourth Proportional to 23,282.32, 32,129.24 and 13,720.69

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Solution

The fourth proportional to 23,282.32, 32,129.24 and 13,720.69 is: 18,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,282.32 : 32,129.24 = 13,720.69 : x
  2. Step 2: Convert to fraction form
    23,282.32/32,129.24 = 13,720.69/x
  3. Step 3: Cross multiply
    23,282.32x = 32,129.24 × 13,720.69
  4. Step 4: Simplify right side
    23,282.32x = 440,835,390.71
  5. Step 5: Solve for x
    x = 440,835,390.71/23,282.32
  6. Step 6: Final answer
    x = 18,934.34

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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.