Home / 16,955.50-23,398.19-9,401.76

Finding the Fourth Proportional to 16,955.50, 23,398.19 and 9,401.76

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Solution

The fourth proportional to 16,955.50, 23,398.19 and 9,401.76 is: 12,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.50 : 23,398.19 = 9,401.76 : x
  2. Step 2: Convert to fraction form
    16,955.50/23,398.19 = 9,401.76/x
  3. Step 3: Cross multiply
    16,955.50x = 23,398.19 × 9,401.76
  4. Step 4: Simplify right side
    16,955.50x = 219,984,155.06
  5. Step 5: Solve for x
    x = 219,984,155.06/16,955.50
  6. Step 6: Final answer
    x = 12,974.21

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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.