Home / 26,318.31-36,302.30-15,699.75

Finding the Fourth Proportional to 26,318.31, 36,302.30 and 15,699.75

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Solution

The fourth proportional to 26,318.31, 36,302.30 and 15,699.75 is: 21,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.31 : 36,302.30 = 15,699.75 : x
  2. Step 2: Convert to fraction form
    26,318.31/36,302.30 = 15,699.75/x
  3. Step 3: Cross multiply
    26,318.31x = 36,302.30 × 15,699.75
  4. Step 4: Simplify right side
    26,318.31x = 569,936,955.93
  5. Step 5: Solve for x
    x = 569,936,955.93/26,318.31
  6. Step 6: Final answer
    x = 21,655.53

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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.