Home / 23,429.76-32,333.88-13,359.72

Finding the Fourth Proportional to 23,429.76, 32,333.88 and 13,359.72

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Solution

The fourth proportional to 23,429.76, 32,333.88 and 13,359.72 is: 18,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,429.76 : 32,333.88 = 13,359.72 : x
  2. Step 2: Convert to fraction form
    23,429.76/32,333.88 = 13,359.72/x
  3. Step 3: Cross multiply
    23,429.76x = 32,333.88 × 13,359.72
  4. Step 4: Simplify right side
    23,429.76x = 431,971,583.31
  5. Step 5: Solve for x
    x = 431,971,583.31/23,429.76
  6. Step 6: Final answer
    x = 18,436.88

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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.