Home / 15,434.12-23,153.62-5,572.38

Finding the Fourth Proportional to 15,434.12, 23,153.62 and 5,572.38

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Solution

The fourth proportional to 15,434.12, 23,153.62 and 5,572.38 is: 8,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.12 : 23,153.62 = 5,572.38 : x
  2. Step 2: Convert to fraction form
    15,434.12/23,153.62 = 5,572.38/x
  3. Step 3: Cross multiply
    15,434.12x = 23,153.62 × 5,572.38
  4. Step 4: Simplify right side
    15,434.12x = 129,020,769.02
  5. Step 5: Solve for x
    x = 129,020,769.02/15,434.12
  6. Step 6: Final answer
    x = 8,359.45

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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.