Home / 15,044.59-20,763.33-8,756.96

Finding the Fourth Proportional to 15,044.59, 20,763.33 and 8,756.96

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Solution

The fourth proportional to 15,044.59, 20,763.33 and 8,756.96 is: 12,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.59 : 20,763.33 = 8,756.96 : x
  2. Step 2: Convert to fraction form
    15,044.59/20,763.33 = 8,756.96/x
  3. Step 3: Cross multiply
    15,044.59x = 20,763.33 × 8,756.96
  4. Step 4: Simplify right side
    15,044.59x = 181,823,650.28
  5. Step 5: Solve for x
    x = 181,823,650.28/15,044.59
  6. Step 6: Final answer
    x = 12,085.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.