Home / 22,751.47-34,127.21-8,890.75

Finding the Fourth Proportional to 22,751.47, 34,127.21 and 8,890.75

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Solution

The fourth proportional to 22,751.47, 34,127.21 and 8,890.75 is: 13,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.47 : 34,127.21 = 8,890.75 : x
  2. Step 2: Convert to fraction form
    22,751.47/34,127.21 = 8,890.75/x
  3. Step 3: Cross multiply
    22,751.47x = 34,127.21 × 8,890.75
  4. Step 4: Simplify right side
    22,751.47x = 303,416,492.31
  5. Step 5: Solve for x
    x = 303,416,492.31/22,751.47
  6. Step 6: Final answer
    x = 13,336.13

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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.