Home / 13,743.16-20,617.02-4,507

Finding the Fourth Proportional to 13,743.16, 20,617.02 and 4,507

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Solution

The fourth proportional to 13,743.16, 20,617.02 and 4,507 is: 6,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.16 : 20,617.02 = 4,507 : x
  2. Step 2: Convert to fraction form
    13,743.16/20,617.02 = 4,507/x
  3. Step 3: Cross multiply
    13,743.16x = 20,617.02 × 4,507
  4. Step 4: Simplify right side
    13,743.16x = 92,920,909.14
  5. Step 5: Solve for x
    x = 92,920,909.14/13,743.16
  6. Step 6: Final answer
    x = 6,761.25

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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.