Home / 26,959.42-40,378.95-20,673.13

Finding the Fourth Proportional to 26,959.42, 40,378.95 and 20,673.13

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Solution

The fourth proportional to 26,959.42, 40,378.95 and 20,673.13 is: 30,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959.42 : 40,378.95 = 20,673.13 : x
  2. Step 2: Convert to fraction form
    26,959.42/40,378.95 = 20,673.13/x
  3. Step 3: Cross multiply
    26,959.42x = 40,378.95 × 20,673.13
  4. Step 4: Simplify right side
    26,959.42x = 834,759,282.61
  5. Step 5: Solve for x
    x = 834,759,282.61/26,959.42
  6. Step 6: Final answer
    x = 30,963.55

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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.