Home / 29,292.96-40,424.06-15,863.91

Finding the Fourth Proportional to 29,292.96, 40,424.06 and 15,863.91

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Solution

The fourth proportional to 29,292.96, 40,424.06 and 15,863.91 is: 21,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292.96 : 40,424.06 = 15,863.91 : x
  2. Step 2: Convert to fraction form
    29,292.96/40,424.06 = 15,863.91/x
  3. Step 3: Cross multiply
    29,292.96x = 40,424.06 × 15,863.91
  4. Step 4: Simplify right side
    29,292.96x = 641,283,537.74
  5. Step 5: Solve for x
    x = 641,283,537.74/29,292.96
  6. Step 6: Final answer
    x = 21,892.07

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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.