Home / 15,151.04-22,722.84-4,762.76

Finding the Fourth Proportional to 15,151.04, 22,722.84 and 4,762.76

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Solution

The fourth proportional to 15,151.04, 22,722.84 and 4,762.76 is: 7,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.04 : 22,722.84 = 4,762.76 : x
  2. Step 2: Convert to fraction form
    15,151.04/22,722.84 = 4,762.76/x
  3. Step 3: Cross multiply
    15,151.04x = 22,722.84 × 4,762.76
  4. Step 4: Simplify right side
    15,151.04x = 108,223,433.44
  5. Step 5: Solve for x
    x = 108,223,433.44/15,151.04
  6. Step 6: Final answer
    x = 7,142.97

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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.