Home / 14,040.75-21,061.16-3,652.50

Finding the Fourth Proportional to 14,040.75, 21,061.16 and 3,652.50

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Solution

The fourth proportional to 14,040.75, 21,061.16 and 3,652.50 is: 5,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.75 : 21,061.16 = 3,652.50 : x
  2. Step 2: Convert to fraction form
    14,040.75/21,061.16 = 3,652.50/x
  3. Step 3: Cross multiply
    14,040.75x = 21,061.16 × 3,652.50
  4. Step 4: Simplify right side
    14,040.75x = 76,925,886.90
  5. Step 5: Solve for x
    x = 76,925,886.90/14,040.75
  6. Step 6: Final answer
    x = 5,478.76

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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.