Home / 26,681.55-40,022.40-6,960.13

Finding the Fourth Proportional to 26,681.55, 40,022.40 and 6,960.13

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Solution

The fourth proportional to 26,681.55, 40,022.40 and 6,960.13 is: 10,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,681.55 : 40,022.40 = 6,960.13 : x
  2. Step 2: Convert to fraction form
    26,681.55/40,022.40 = 6,960.13/x
  3. Step 3: Cross multiply
    26,681.55x = 40,022.40 × 6,960.13
  4. Step 4: Simplify right side
    26,681.55x = 278,561,032.96
  5. Step 5: Solve for x
    x = 278,561,032.96/26,681.55
  6. Step 6: Final answer
    x = 10,440.21

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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.