Home / 15,221.42-22,821.40-5,853.57

Finding the Fourth Proportional to 15,221.42, 22,821.40 and 5,853.57

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Solution

The fourth proportional to 15,221.42, 22,821.40 and 5,853.57 is: 8,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.42 : 22,821.40 = 5,853.57 : x
  2. Step 2: Convert to fraction form
    15,221.42/22,821.40 = 5,853.57/x
  3. Step 3: Cross multiply
    15,221.42x = 22,821.40 × 5,853.57
  4. Step 4: Simplify right side
    15,221.42x = 133,586,633.13
  5. Step 5: Solve for x
    x = 133,586,633.13/15,221.42
  6. Step 6: Final answer
    x = 8,776.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.