Home / 26,875.99-40,304.26-9,103.78

Finding the Fourth Proportional to 26,875.99, 40,304.26 and 9,103.78

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Solution

The fourth proportional to 26,875.99, 40,304.26 and 9,103.78 is: 13,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.99 : 40,304.26 = 9,103.78 : x
  2. Step 2: Convert to fraction form
    26,875.99/40,304.26 = 9,103.78/x
  3. Step 3: Cross multiply
    26,875.99x = 40,304.26 × 9,103.78
  4. Step 4: Simplify right side
    26,875.99x = 366,921,116.10
  5. Step 5: Solve for x
    x = 366,921,116.10/26,875.99
  6. Step 6: Final answer
    x = 13,652.38

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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.