Home / 15,434.14-23,136.61-5,570.78

Finding the Fourth Proportional to 15,434.14, 23,136.61 and 5,570.78

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Solution

The fourth proportional to 15,434.14, 23,136.61 and 5,570.78 is: 8,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.14 : 23,136.61 = 5,570.78 : x
  2. Step 2: Convert to fraction form
    15,434.14/23,136.61 = 5,570.78/x
  3. Step 3: Cross multiply
    15,434.14x = 23,136.61 × 5,570.78
  4. Step 4: Simplify right side
    15,434.14x = 128,888,964.26
  5. Step 5: Solve for x
    x = 128,888,964.26/15,434.14
  6. Step 6: Final answer
    x = 8,350.90

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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.