Home / 21,710.06-32,569.90-9,240.68

Finding the Fourth Proportional to 21,710.06, 32,569.90 and 9,240.68

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Solution

The fourth proportional to 21,710.06, 32,569.90 and 9,240.68 is: 13,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710.06 : 32,569.90 = 9,240.68 : x
  2. Step 2: Convert to fraction form
    21,710.06/32,569.90 = 9,240.68/x
  3. Step 3: Cross multiply
    21,710.06x = 32,569.90 × 9,240.68
  4. Step 4: Simplify right side
    21,710.06x = 300,968,023.53
  5. Step 5: Solve for x
    x = 300,968,023.53/21,710.06
  6. Step 6: Final answer
    x = 13,863.07

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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.