Home / 21,765.95-32,618.13-9,273.40

Finding the Fourth Proportional to 21,765.95, 32,618.13 and 9,273.40

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Solution

The fourth proportional to 21,765.95, 32,618.13 and 9,273.40 is: 13,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.95 : 32,618.13 = 9,273.40 : x
  2. Step 2: Convert to fraction form
    21,765.95/32,618.13 = 9,273.40/x
  3. Step 3: Cross multiply
    21,765.95x = 32,618.13 × 9,273.40
  4. Step 4: Simplify right side
    21,765.95x = 302,480,919.97
  5. Step 5: Solve for x
    x = 302,480,919.97/21,765.95
  6. Step 6: Final answer
    x = 13,896.98

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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.