Home / 26,331.48-36,330.12-15,717.24

Finding the Fourth Proportional to 26,331.48, 36,330.12 and 15,717.24

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Solution

The fourth proportional to 26,331.48, 36,330.12 and 15,717.24 is: 21,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,331.48 : 36,330.12 = 15,717.24 : x
  2. Step 2: Convert to fraction form
    26,331.48/36,330.12 = 15,717.24/x
  3. Step 3: Cross multiply
    26,331.48x = 36,330.12 × 15,717.24
  4. Step 4: Simplify right side
    26,331.48x = 571,009,215.27
  5. Step 5: Solve for x
    x = 571,009,215.27/26,331.48
  6. Step 6: Final answer
    x = 21,685.42

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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.