Home / 15,162.76-22,730.46-5,300.20

Finding the Fourth Proportional to 15,162.76, 22,730.46 and 5,300.20

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Solution

The fourth proportional to 15,162.76, 22,730.46 and 5,300.20 is: 7,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.76 : 22,730.46 = 5,300.20 : x
  2. Step 2: Convert to fraction form
    15,162.76/22,730.46 = 5,300.20/x
  3. Step 3: Cross multiply
    15,162.76x = 22,730.46 × 5,300.20
  4. Step 4: Simplify right side
    15,162.76x = 120,475,984.09
  5. Step 5: Solve for x
    x = 120,475,984.09/15,162.76
  6. Step 6: Final answer
    x = 7,945.52

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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.