Home / 26,428.17-36,471.38-14,490.80

Finding the Fourth Proportional to 26,428.17, 36,471.38 and 14,490.80

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Solution

The fourth proportional to 26,428.17, 36,471.38 and 14,490.80 is: 19,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.17 : 36,471.38 = 14,490.80 : x
  2. Step 2: Convert to fraction form
    26,428.17/36,471.38 = 14,490.80/x
  3. Step 3: Cross multiply
    26,428.17x = 36,471.38 × 14,490.80
  4. Step 4: Simplify right side
    26,428.17x = 528,499,218.49
  5. Step 5: Solve for x
    x = 528,499,218.49/26,428.17
  6. Step 6: Final answer
    x = 19,997.57

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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.