Home / 26,326.17-36,330.19-15,715.58

Finding the Fourth Proportional to 26,326.17, 36,330.19 and 15,715.58

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Solution

The fourth proportional to 26,326.17, 36,330.19 and 15,715.58 is: 21,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.17 : 36,330.19 = 15,715.58 : x
  2. Step 2: Convert to fraction form
    26,326.17/36,330.19 = 15,715.58/x
  3. Step 3: Cross multiply
    26,326.17x = 36,330.19 × 15,715.58
  4. Step 4: Simplify right side
    26,326.17x = 570,949,786.42
  5. Step 5: Solve for x
    x = 570,949,786.42/26,326.17
  6. Step 6: Final answer
    x = 21,687.54

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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.