Home / 15,716.35-23,564.80-7,398.46

Finding the Fourth Proportional to 15,716.35, 23,564.80 and 7,398.46

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Solution

The fourth proportional to 15,716.35, 23,564.80 and 7,398.46 is: 11,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716.35 : 23,564.80 = 7,398.46 : x
  2. Step 2: Convert to fraction form
    15,716.35/23,564.80 = 7,398.46/x
  3. Step 3: Cross multiply
    15,716.35x = 23,564.80 × 7,398.46
  4. Step 4: Simplify right side
    15,716.35x = 174,343,230.21
  5. Step 5: Solve for x
    x = 174,343,230.21/15,716.35
  6. Step 6: Final answer
    x = 11,093.11

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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.