Home / 15,705.48-23,561.70-5,175.08

Finding the Fourth Proportional to 15,705.48, 23,561.70 and 5,175.08

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Solution

The fourth proportional to 15,705.48, 23,561.70 and 5,175.08 is: 7,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705.48 : 23,561.70 = 5,175.08 : x
  2. Step 2: Convert to fraction form
    15,705.48/23,561.70 = 5,175.08/x
  3. Step 3: Cross multiply
    15,705.48x = 23,561.70 × 5,175.08
  4. Step 4: Simplify right side
    15,705.48x = 121,933,538.75
  5. Step 5: Solve for x
    x = 121,933,538.75/15,705.48
  6. Step 6: Final answer
    x = 7,763.76

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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.