Home / 33,140.28-45,732.24-18,983.28

Finding the Fourth Proportional to 33,140.28, 45,732.24 and 18,983.28

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Solution

The fourth proportional to 33,140.28, 45,732.24 and 18,983.28 is: 26,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.28 : 45,732.24 = 18,983.28 : x
  2. Step 2: Convert to fraction form
    33,140.28/45,732.24 = 18,983.28/x
  3. Step 3: Cross multiply
    33,140.28x = 45,732.24 × 18,983.28
  4. Step 4: Simplify right side
    33,140.28x = 868,147,916.95
  5. Step 5: Solve for x
    x = 868,147,916.95/33,140.28
  6. Step 6: Final answer
    x = 26,196.16

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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.