Home / 29,145.02-43,717.56-12,494.30

Finding the Fourth Proportional to 29,145.02, 43,717.56 and 12,494.30

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Solution

The fourth proportional to 29,145.02, 43,717.56 and 12,494.30 is: 18,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.02 : 43,717.56 = 12,494.30 : x
  2. Step 2: Convert to fraction form
    29,145.02/43,717.56 = 12,494.30/x
  3. Step 3: Cross multiply
    29,145.02x = 43,717.56 × 12,494.30
  4. Step 4: Simplify right side
    29,145.02x = 546,220,309.91
  5. Step 5: Solve for x
    x = 546,220,309.91/29,145.02
  6. Step 6: Final answer
    x = 18,741.46

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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.