Home / 15,151.65-22,728.51-5,152.32

Finding the Fourth Proportional to 15,151.65, 22,728.51 and 5,152.32

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Solution

The fourth proportional to 15,151.65, 22,728.51 and 5,152.32 is: 7,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.65 : 22,728.51 = 5,152.32 : x
  2. Step 2: Convert to fraction form
    15,151.65/22,728.51 = 5,152.32/x
  3. Step 3: Cross multiply
    15,151.65x = 22,728.51 × 5,152.32
  4. Step 4: Simplify right side
    15,151.65x = 117,104,556.64
  5. Step 5: Solve for x
    x = 117,104,556.64/15,151.65
  6. Step 6: Final answer
    x = 7,728.83

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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.