Home / 15,423.17-23,129.96-5,561.16

Finding the Fourth Proportional to 15,423.17, 23,129.96 and 5,561.16

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Solution

The fourth proportional to 15,423.17, 23,129.96 and 5,561.16 is: 8,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.17 : 23,129.96 = 5,561.16 : x
  2. Step 2: Convert to fraction form
    15,423.17/23,129.96 = 5,561.16/x
  3. Step 3: Cross multiply
    15,423.17x = 23,129.96 × 5,561.16
  4. Step 4: Simplify right side
    15,423.17x = 128,629,380.55
  5. Step 5: Solve for x
    x = 128,629,380.55/15,423.17
  6. Step 6: Final answer
    x = 8,340.01

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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.