Home / 26,890.95-37,103.40-15,560.17

Finding the Fourth Proportional to 26,890.95, 37,103.40 and 15,560.17

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Solution

The fourth proportional to 26,890.95, 37,103.40 and 15,560.17 is: 21,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.95 : 37,103.40 = 15,560.17 : x
  2. Step 2: Convert to fraction form
    26,890.95/37,103.40 = 15,560.17/x
  3. Step 3: Cross multiply
    26,890.95x = 37,103.40 × 15,560.17
  4. Step 4: Simplify right side
    26,890.95x = 577,335,211.58
  5. Step 5: Solve for x
    x = 577,335,211.58/26,890.95
  6. Step 6: Final answer
    x = 21,469.50

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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.