Home / 23,710.66-32,720.04-13,100.02

Finding the Fourth Proportional to 23,710.66, 32,720.04 and 13,100.02

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Solution

The fourth proportional to 23,710.66, 32,720.04 and 13,100.02 is: 18,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,710.66 : 32,720.04 = 13,100.02 : x
  2. Step 2: Convert to fraction form
    23,710.66/32,720.04 = 13,100.02/x
  3. Step 3: Cross multiply
    23,710.66x = 32,720.04 × 13,100.02
  4. Step 4: Simplify right side
    23,710.66x = 428,633,178.40
  5. Step 5: Solve for x
    x = 428,633,178.40/23,710.66
  6. Step 6: Final answer
    x = 18,077.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.