Home / 15,876.38-22,009.73-15,033.76

Finding the Fourth Proportional to 15,876.38, 22,009.73 and 15,033.76

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Solution

The fourth proportional to 15,876.38, 22,009.73 and 15,033.76 is: 20,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.38 : 22,009.73 = 15,033.76 : x
  2. Step 2: Convert to fraction form
    15,876.38/22,009.73 = 15,033.76/x
  3. Step 3: Cross multiply
    15,876.38x = 22,009.73 × 15,033.76
  4. Step 4: Simplify right side
    15,876.38x = 330,888,868.29
  5. Step 5: Solve for x
    x = 330,888,868.29/15,876.38
  6. Step 6: Final answer
    x = 20,841.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.