Home / 26,534.17-36,637.71-20,392.15

Finding the Fourth Proportional to 26,534.17, 36,637.71 and 20,392.15

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Solution

The fourth proportional to 26,534.17, 36,637.71 and 20,392.15 is: 28,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,534.17 : 36,637.71 = 20,392.15 : x
  2. Step 2: Convert to fraction form
    26,534.17/36,637.71 = 20,392.15/x
  3. Step 3: Cross multiply
    26,534.17x = 36,637.71 × 20,392.15
  4. Step 4: Simplify right side
    26,534.17x = 747,121,677.98
  5. Step 5: Solve for x
    x = 747,121,677.98/26,534.17
  6. Step 6: Final answer
    x = 28,156.96

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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.