Home / 26,612.64-39,943.68-13,474.20

Finding the Fourth Proportional to 26,612.64, 39,943.68 and 13,474.20

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Solution

The fourth proportional to 26,612.64, 39,943.68 and 13,474.20 is: 20,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.64 : 39,943.68 = 13,474.20 : x
  2. Step 2: Convert to fraction form
    26,612.64/39,943.68 = 13,474.20/x
  3. Step 3: Cross multiply
    26,612.64x = 39,943.68 × 13,474.20
  4. Step 4: Simplify right side
    26,612.64x = 538,209,133.06
  5. Step 5: Solve for x
    x = 538,209,133.06/26,612.64
  6. Step 6: Final answer
    x = 20,223.82

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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.