Home / 23,515.08-35,250.10-8,720.04

Finding the Fourth Proportional to 23,515.08, 35,250.10 and 8,720.04

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Solution

The fourth proportional to 23,515.08, 35,250.10 and 8,720.04 is: 13,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.08 : 35,250.10 = 8,720.04 : x
  2. Step 2: Convert to fraction form
    23,515.08/35,250.10 = 8,720.04/x
  3. Step 3: Cross multiply
    23,515.08x = 35,250.10 × 8,720.04
  4. Step 4: Simplify right side
    23,515.08x = 307,382,282.00
  5. Step 5: Solve for x
    x = 307,382,282.00/23,515.08
  6. Step 6: Final answer
    x = 13,071.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.