Home / 26,490.83-39,731.45-10,695.20

Finding the Fourth Proportional to 26,490.83, 39,731.45 and 10,695.20

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Solution

The fourth proportional to 26,490.83, 39,731.45 and 10,695.20 is: 16,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.83 : 39,731.45 = 10,695.20 : x
  2. Step 2: Convert to fraction form
    26,490.83/39,731.45 = 10,695.20/x
  3. Step 3: Cross multiply
    26,490.83x = 39,731.45 × 10,695.20
  4. Step 4: Simplify right side
    26,490.83x = 424,935,804.04
  5. Step 5: Solve for x
    x = 424,935,804.04/26,490.83
  6. Step 6: Final answer
    x = 16,040.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.