Home / 15,159.42-22,724.55-7,767.36

Finding the Fourth Proportional to 15,159.42, 22,724.55 and 7,767.36

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Solution

The fourth proportional to 15,159.42, 22,724.55 and 7,767.36 is: 11,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159.42 : 22,724.55 = 7,767.36 : x
  2. Step 2: Convert to fraction form
    15,159.42/22,724.55 = 7,767.36/x
  3. Step 3: Cross multiply
    15,159.42x = 22,724.55 × 7,767.36
  4. Step 4: Simplify right side
    15,159.42x = 176,509,760.69
  5. Step 5: Solve for x
    x = 176,509,760.69/15,159.42
  6. Step 6: Final answer
    x = 11,643.57

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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.