Home / 15,429.69-23,144.57-5,575.93

Finding the Fourth Proportional to 15,429.69, 23,144.57 and 5,575.93

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Solution

The fourth proportional to 15,429.69, 23,144.57 and 5,575.93 is: 8,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.69 : 23,144.57 = 5,575.93 : x
  2. Step 2: Convert to fraction form
    15,429.69/23,144.57 = 5,575.93/x
  3. Step 3: Cross multiply
    15,429.69x = 23,144.57 × 5,575.93
  4. Step 4: Simplify right side
    15,429.69x = 129,052,437.37
  5. Step 5: Solve for x
    x = 129,052,437.37/15,429.69
  6. Step 6: Final answer
    x = 8,363.90

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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.