Home / 26,116.31-36,041.12-15,505.97

Finding the Fourth Proportional to 26,116.31, 36,041.12 and 15,505.97

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Solution

The fourth proportional to 26,116.31, 36,041.12 and 15,505.97 is: 21,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,116.31 : 36,041.12 = 15,505.97 : x
  2. Step 2: Convert to fraction form
    26,116.31/36,041.12 = 15,505.97/x
  3. Step 3: Cross multiply
    26,116.31x = 36,041.12 × 15,505.97
  4. Step 4: Simplify right side
    26,116.31x = 558,852,525.49
  5. Step 5: Solve for x
    x = 558,852,525.49/26,116.31
  6. Step 6: Final answer
    x = 21,398.60

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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.