Home / 15,044.10-20,750.58-10,320.18

Finding the Fourth Proportional to 15,044.10, 20,750.58 and 10,320.18

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Solution

The fourth proportional to 15,044.10, 20,750.58 and 10,320.18 is: 14,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.10 : 20,750.58 = 10,320.18 : x
  2. Step 2: Convert to fraction form
    15,044.10/20,750.58 = 10,320.18/x
  3. Step 3: Cross multiply
    15,044.10x = 20,750.58 × 10,320.18
  4. Step 4: Simplify right side
    15,044.10x = 214,149,720.70
  5. Step 5: Solve for x
    x = 214,149,720.70/15,044.10
  6. Step 6: Final answer
    x = 14,234.80

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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.