Home / 29,147.27-43,730.10-10,426.86

Finding the Fourth Proportional to 29,147.27, 43,730.10 and 10,426.86

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Solution

The fourth proportional to 29,147.27, 43,730.10 and 10,426.86 is: 15,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.27 : 43,730.10 = 10,426.86 : x
  2. Step 2: Convert to fraction form
    29,147.27/43,730.10 = 10,426.86/x
  3. Step 3: Cross multiply
    29,147.27x = 43,730.10 × 10,426.86
  4. Step 4: Simplify right side
    29,147.27x = 455,967,630.49
  5. Step 5: Solve for x
    x = 455,967,630.49/29,147.27
  6. Step 6: Final answer
    x = 15,643.58

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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.