Home / 26,046.12-35,946.90-15,439.80

Finding the Fourth Proportional to 26,046.12, 35,946.90 and 15,439.80

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Solution

The fourth proportional to 26,046.12, 35,946.90 and 15,439.80 is: 21,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,046.12 : 35,946.90 = 15,439.80 : x
  2. Step 2: Convert to fraction form
    26,046.12/35,946.90 = 15,439.80/x
  3. Step 3: Cross multiply
    26,046.12x = 35,946.90 × 15,439.80
  4. Step 4: Simplify right side
    26,046.12x = 555,012,946.62
  5. Step 5: Solve for x
    x = 555,012,946.62/26,046.12
  6. Step 6: Final answer
    x = 21,308.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.