Home / 15,159.65-22,742.99-4,771.13

Finding the Fourth Proportional to 15,159.65, 22,742.99 and 4,771.13

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Solution

The fourth proportional to 15,159.65, 22,742.99 and 4,771.13 is: 7,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159.65 : 22,742.99 = 4,771.13 : x
  2. Step 2: Convert to fraction form
    15,159.65/22,742.99 = 4,771.13/x
  3. Step 3: Cross multiply
    15,159.65x = 22,742.99 × 4,771.13
  4. Step 4: Simplify right side
    15,159.65x = 108,509,624.31
  5. Step 5: Solve for x
    x = 108,509,624.31/15,159.65
  6. Step 6: Final answer
    x = 7,157.79

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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.