Home / 26,190.68-36,143.13-14,253.75

Finding the Fourth Proportional to 26,190.68, 36,143.13 and 14,253.75

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Solution

The fourth proportional to 26,190.68, 36,143.13 and 14,253.75 is: 19,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.68 : 36,143.13 = 14,253.75 : x
  2. Step 2: Convert to fraction form
    26,190.68/36,143.13 = 14,253.75/x
  3. Step 3: Cross multiply
    26,190.68x = 36,143.13 × 14,253.75
  4. Step 4: Simplify right side
    26,190.68x = 515,175,139.24
  5. Step 5: Solve for x
    x = 515,175,139.24/26,190.68
  6. Step 6: Final answer
    x = 19,670.17

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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.