Home / 15,207.12-22,821.60-6,444.48

Finding the Fourth Proportional to 15,207.12, 22,821.60 and 6,444.48

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Solution

The fourth proportional to 15,207.12, 22,821.60 and 6,444.48 is: 9,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.12 : 22,821.60 = 6,444.48 : x
  2. Step 2: Convert to fraction form
    15,207.12/22,821.60 = 6,444.48/x
  3. Step 3: Cross multiply
    15,207.12x = 22,821.60 × 6,444.48
  4. Step 4: Simplify right side
    15,207.12x = 147,073,344.77
  5. Step 5: Solve for x
    x = 147,073,344.77/15,207.12
  6. Step 6: Final answer
    x = 9,671.35

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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.