Home / 22,124.75-30,532.16-12,188.75

Finding the Fourth Proportional to 22,124.75, 30,532.16 and 12,188.75

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Solution

The fourth proportional to 22,124.75, 30,532.16 and 12,188.75 is: 16,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.75 : 30,532.16 = 12,188.75 : x
  2. Step 2: Convert to fraction form
    22,124.75/30,532.16 = 12,188.75/x
  3. Step 3: Cross multiply
    22,124.75x = 30,532.16 × 12,188.75
  4. Step 4: Simplify right side
    22,124.75x = 372,148,865.20
  5. Step 5: Solve for x
    x = 372,148,865.20/22,124.75
  6. Step 6: Final answer
    x = 16,820.48

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Double scale
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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.