Home / 23,681.57-32,681.07-13,072.19

Finding the Fourth Proportional to 23,681.57, 32,681.07 and 13,072.19

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Solution

The fourth proportional to 23,681.57, 32,681.07 and 13,072.19 is: 18,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.57 : 32,681.07 = 13,072.19 : x
  2. Step 2: Convert to fraction form
    23,681.57/32,681.07 = 13,072.19/x
  3. Step 3: Cross multiply
    23,681.57x = 32,681.07 × 13,072.19
  4. Step 4: Simplify right side
    23,681.57x = 427,212,993.04
  5. Step 5: Solve for x
    x = 427,212,993.04/23,681.57
  6. Step 6: Final answer
    x = 18,039.90

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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.