Home / 15,097.04-20,820.26-9,432.30

Finding the Fourth Proportional to 15,097.04, 20,820.26 and 9,432.30

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Solution

The fourth proportional to 15,097.04, 20,820.26 and 9,432.30 is: 13,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097.04 : 20,820.26 = 9,432.30 : x
  2. Step 2: Convert to fraction form
    15,097.04/20,820.26 = 9,432.30/x
  3. Step 3: Cross multiply
    15,097.04x = 20,820.26 × 9,432.30
  4. Step 4: Simplify right side
    15,097.04x = 196,382,891.24
  5. Step 5: Solve for x
    x = 196,382,891.24/15,097.04
  6. Step 6: Final answer
    x = 13,008.04

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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.