Home / 13,983.17-19,294.54-8,013.74

Finding the Fourth Proportional to 13,983.17, 19,294.54 and 8,013.74

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Solution

The fourth proportional to 13,983.17, 19,294.54 and 8,013.74 is: 11,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.17 : 19,294.54 = 8,013.74 : x
  2. Step 2: Convert to fraction form
    13,983.17/19,294.54 = 8,013.74/x
  3. Step 3: Cross multiply
    13,983.17x = 19,294.54 × 8,013.74
  4. Step 4: Simplify right side
    13,983.17x = 154,621,310.47
  5. Step 5: Solve for x
    x = 154,621,310.47/13,983.17
  6. Step 6: Final answer
    x = 11,057.68

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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.