Home / 23,700.39-32,706.09-13,089.78

Finding the Fourth Proportional to 23,700.39, 32,706.09 and 13,089.78

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Solution

The fourth proportional to 23,700.39, 32,706.09 and 13,089.78 is: 18,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,700.39 : 32,706.09 = 13,089.78 : x
  2. Step 2: Convert to fraction form
    23,700.39/32,706.09 = 13,089.78/x
  3. Step 3: Cross multiply
    23,700.39x = 32,706.09 × 13,089.78
  4. Step 4: Simplify right side
    23,700.39x = 428,115,522.76
  5. Step 5: Solve for x
    x = 428,115,522.76/23,700.39
  6. Step 6: Final answer
    x = 18,063.65

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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.