Home / 20,124.61-30,187.48-5,333.52

Finding the Fourth Proportional to 20,124.61, 30,187.48 and 5,333.52

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Solution

The fourth proportional to 20,124.61, 30,187.48 and 5,333.52 is: 8,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.61 : 30,187.48 = 5,333.52 : x
  2. Step 2: Convert to fraction form
    20,124.61/30,187.48 = 5,333.52/x
  3. Step 3: Cross multiply
    20,124.61x = 30,187.48 × 5,333.52
  4. Step 4: Simplify right side
    20,124.61x = 161,005,377.39
  5. Step 5: Solve for x
    x = 161,005,377.39/20,124.61
  6. Step 6: Final answer
    x = 8,000.42

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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.