Home / 14,750.56-22,129.10-4,220.61

Finding the Fourth Proportional to 14,750.56, 22,129.10 and 4,220.61

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Solution

The fourth proportional to 14,750.56, 22,129.10 and 4,220.61 is: 6,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.56 : 22,129.10 = 4,220.61 : x
  2. Step 2: Convert to fraction form
    14,750.56/22,129.10 = 4,220.61/x
  3. Step 3: Cross multiply
    14,750.56x = 22,129.10 × 4,220.61
  4. Step 4: Simplify right side
    14,750.56x = 93,398,212.49
  5. Step 5: Solve for x
    x = 93,398,212.49/14,750.56
  6. Step 6: Final answer
    x = 6,331.84

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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.