Home / 21,559.73-32,300.68-9,057.38

Finding the Fourth Proportional to 21,559.73, 32,300.68 and 9,057.38

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Solution

The fourth proportional to 21,559.73, 32,300.68 and 9,057.38 is: 13,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.73 : 32,300.68 = 9,057.38 : x
  2. Step 2: Convert to fraction form
    21,559.73/32,300.68 = 9,057.38/x
  3. Step 3: Cross multiply
    21,559.73x = 32,300.68 × 9,057.38
  4. Step 4: Simplify right side
    21,559.73x = 292,559,533.02
  5. Step 5: Solve for x
    x = 292,559,533.02/21,559.73
  6. Step 6: Final answer
    x = 13,569.72

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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.