Home / 23,687.47-32,688.75-13,077.12

Finding the Fourth Proportional to 23,687.47, 32,688.75 and 13,077.12

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Solution

The fourth proportional to 23,687.47, 32,688.75 and 13,077.12 is: 18,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,687.47 : 32,688.75 = 13,077.12 : x
  2. Step 2: Convert to fraction form
    23,687.47/32,688.75 = 13,077.12/x
  3. Step 3: Cross multiply
    23,687.47x = 32,688.75 × 13,077.12
  4. Step 4: Simplify right side
    23,687.47x = 427,474,706.40
  5. Step 5: Solve for x
    x = 427,474,706.40/23,687.47
  6. Step 6: Final answer
    x = 18,046.45

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1.5x scale

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.