Home / 26,766.95-36,943.56-15,443.75

Finding the Fourth Proportional to 26,766.95, 36,943.56 and 15,443.75

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Solution

The fourth proportional to 26,766.95, 36,943.56 and 15,443.75 is: 21,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,766.95 : 36,943.56 = 15,443.75 : x
  2. Step 2: Convert to fraction form
    26,766.95/36,943.56 = 15,443.75/x
  3. Step 3: Cross multiply
    26,766.95x = 36,943.56 × 15,443.75
  4. Step 4: Simplify right side
    26,766.95x = 570,547,197.11
  5. Step 5: Solve for x
    x = 570,547,197.11/26,766.95
  6. Step 6: Final answer
    x = 21,315.36

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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.