Home / 15,109.72-22,664.58-5,747.58

Finding the Fourth Proportional to 15,109.72, 22,664.58 and 5,747.58

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Solution

The fourth proportional to 15,109.72, 22,664.58 and 5,747.58 is: 8,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.72 : 22,664.58 = 5,747.58 : x
  2. Step 2: Convert to fraction form
    15,109.72/22,664.58 = 5,747.58/x
  3. Step 3: Cross multiply
    15,109.72x = 22,664.58 × 5,747.58
  4. Step 4: Simplify right side
    15,109.72x = 130,266,486.72
  5. Step 5: Solve for x
    x = 130,266,486.72/15,109.72
  6. Step 6: Final answer
    x = 8,621.37

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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.