Home / 26,343.30-36,363.69-15,729.06

Finding the Fourth Proportional to 26,343.30, 36,363.69 and 15,729.06

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Solution

The fourth proportional to 26,343.30, 36,363.69 and 15,729.06 is: 21,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.30 : 36,363.69 = 15,729.06 : x
  2. Step 2: Convert to fraction form
    26,343.30/36,363.69 = 15,729.06/x
  3. Step 3: Cross multiply
    26,343.30x = 36,363.69 × 15,729.06
  4. Step 4: Simplify right side
    26,343.30x = 571,966,661.83
  5. Step 5: Solve for x
    x = 571,966,661.83/26,343.30
  6. Step 6: Final answer
    x = 21,712.04

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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.