Home / 26,031.60-39,047.40-12,727.13

Finding the Fourth Proportional to 26,031.60, 39,047.40 and 12,727.13

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Solution

The fourth proportional to 26,031.60, 39,047.40 and 12,727.13 is: 19,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,031.60 : 39,047.40 = 12,727.13 : x
  2. Step 2: Convert to fraction form
    26,031.60/39,047.40 = 12,727.13/x
  3. Step 3: Cross multiply
    26,031.60x = 39,047.40 × 12,727.13
  4. Step 4: Simplify right side
    26,031.60x = 496,961,140.73
  5. Step 5: Solve for x
    x = 496,961,140.73/26,031.60
  6. Step 6: Final answer
    x = 19,090.69

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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.