Home / 23,720.35-32,740.97-13,655.89

Finding the Fourth Proportional to 23,720.35, 32,740.97 and 13,655.89

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Solution

The fourth proportional to 23,720.35, 32,740.97 and 13,655.89 is: 18,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.35 : 32,740.97 = 13,655.89 : x
  2. Step 2: Convert to fraction form
    23,720.35/32,740.97 = 13,655.89/x
  3. Step 3: Cross multiply
    23,720.35x = 32,740.97 × 13,655.89
  4. Step 4: Simplify right side
    23,720.35x = 447,107,084.81
  5. Step 5: Solve for x
    x = 447,107,084.81/23,720.35
  6. Step 6: Final answer
    x = 18,849.09

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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.