Home / 23,381.13-32,264.74-13,309.54

Finding the Fourth Proportional to 23,381.13, 32,264.74 and 13,309.54

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Solution

The fourth proportional to 23,381.13, 32,264.74 and 13,309.54 is: 18,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,381.13 : 32,264.74 = 13,309.54 : x
  2. Step 2: Convert to fraction form
    23,381.13/32,264.74 = 13,309.54/x
  3. Step 3: Cross multiply
    23,381.13x = 32,264.74 × 13,309.54
  4. Step 4: Simplify right side
    23,381.13x = 429,428,847.62
  5. Step 5: Solve for x
    x = 429,428,847.62/23,381.13
  6. Step 6: Final answer
    x = 18,366.47

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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.