Home / 15,165.50-22,749.06-4,778.06

Finding the Fourth Proportional to 15,165.50, 22,749.06 and 4,778.06

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Solution

The fourth proportional to 15,165.50, 22,749.06 and 4,778.06 is: 7,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165.50 : 22,749.06 = 4,778.06 : x
  2. Step 2: Convert to fraction form
    15,165.50/22,749.06 = 4,778.06/x
  3. Step 3: Cross multiply
    15,165.50x = 22,749.06 × 4,778.06
  4. Step 4: Simplify right side
    15,165.50x = 108,696,373.62
  5. Step 5: Solve for x
    x = 108,696,373.62/15,165.50
  6. Step 6: Final answer
    x = 7,167.35

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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.