Home / 26,753.13-36,919.23-15,422.56

Finding the Fourth Proportional to 26,753.13, 36,919.23 and 15,422.56

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Solution

The fourth proportional to 26,753.13, 36,919.23 and 15,422.56 is: 21,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,753.13 : 36,919.23 = 15,422.56 : x
  2. Step 2: Convert to fraction form
    26,753.13/36,919.23 = 15,422.56/x
  3. Step 3: Cross multiply
    26,753.13x = 36,919.23 × 15,422.56
  4. Step 4: Simplify right side
    26,753.13x = 569,389,039.83
  5. Step 5: Solve for x
    x = 569,389,039.83/26,753.13
  6. Step 6: Final answer
    x = 21,283.08

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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.