Home / 15,151.46-22,730.76-4,763.21

Finding the Fourth Proportional to 15,151.46, 22,730.76 and 4,763.21

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Solution

The fourth proportional to 15,151.46, 22,730.76 and 4,763.21 is: 7,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.46 : 22,730.76 = 4,763.21 : x
  2. Step 2: Convert to fraction form
    15,151.46/22,730.76 = 4,763.21/x
  3. Step 3: Cross multiply
    15,151.46x = 22,730.76 × 4,763.21
  4. Step 4: Simplify right side
    15,151.46x = 108,271,269.69
  5. Step 5: Solve for x
    x = 108,271,269.69/15,151.46
  6. Step 6: Final answer
    x = 7,145.93

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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.