Home / 15,697.18-23,549.25-5,166.79

Finding the Fourth Proportional to 15,697.18, 23,549.25 and 5,166.79

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Solution

The fourth proportional to 15,697.18, 23,549.25 and 5,166.79 is: 7,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,697.18 : 23,549.25 = 5,166.79 : x
  2. Step 2: Convert to fraction form
    15,697.18/23,549.25 = 5,166.79/x
  3. Step 3: Cross multiply
    15,697.18x = 23,549.25 × 5,166.79
  4. Step 4: Simplify right side
    15,697.18x = 121,674,029.41
  5. Step 5: Solve for x
    x = 121,674,029.41/15,697.18
  6. Step 6: Final answer
    x = 7,751.33

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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.