Home / 15,982.56-22,038.61-10,881.38

Finding the Fourth Proportional to 15,982.56, 22,038.61 and 10,881.38

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Solution

The fourth proportional to 15,982.56, 22,038.61 and 10,881.38 is: 15,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.56 : 22,038.61 = 10,881.38 : x
  2. Step 2: Convert to fraction form
    15,982.56/22,038.61 = 10,881.38/x
  3. Step 3: Cross multiply
    15,982.56x = 22,038.61 × 10,881.38
  4. Step 4: Simplify right side
    15,982.56x = 239,810,490.08
  5. Step 5: Solve for x
    x = 239,810,490.08/15,982.56
  6. Step 6: Final answer
    x = 15,004.51

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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.