Home / 15,564.60-23,347.10-5,176.35

Finding the Fourth Proportional to 15,564.60, 23,347.10 and 5,176.35

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Solution

The fourth proportional to 15,564.60, 23,347.10 and 5,176.35 is: 7,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,564.60 : 23,347.10 = 5,176.35 : x
  2. Step 2: Convert to fraction form
    15,564.60/23,347.10 = 5,176.35/x
  3. Step 3: Cross multiply
    15,564.60x = 23,347.10 × 5,176.35
  4. Step 4: Simplify right side
    15,564.60x = 120,852,761.09
  5. Step 5: Solve for x
    x = 120,852,761.09/15,564.60
  6. Step 6: Final answer
    x = 7,764.59

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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.