Home / 29,246.14-40,360-15,817.66

Finding the Fourth Proportional to 29,246.14, 40,360 and 15,817.66

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Solution

The fourth proportional to 29,246.14, 40,360 and 15,817.66 is: 21,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,246.14 : 40,360 = 15,817.66 : x
  2. Step 2: Convert to fraction form
    29,246.14/40,360 = 15,817.66/x
  3. Step 3: Cross multiply
    29,246.14x = 40,360 × 15,817.66
  4. Step 4: Simplify right side
    29,246.14x = 638,400,757.60
  5. Step 5: Solve for x
    x = 638,400,757.60/29,246.14
  6. Step 6: Final answer
    x = 21,828.55

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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.