Home / 23,439.47-35,149.74-8,645.10

Finding the Fourth Proportional to 23,439.47, 35,149.74 and 8,645.10

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Solution

The fourth proportional to 23,439.47, 35,149.74 and 8,645.10 is: 12,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,439.47 : 35,149.74 = 8,645.10 : x
  2. Step 2: Convert to fraction form
    23,439.47/35,149.74 = 8,645.10/x
  3. Step 3: Cross multiply
    23,439.47x = 35,149.74 × 8,645.10
  4. Step 4: Simplify right side
    23,439.47x = 303,872,853.04
  5. Step 5: Solve for x
    x = 303,872,853.04/23,439.47
  6. Step 6: Final answer
    x = 12,964.15

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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.