Home / 23,680.74-32,681.40-13,072.70

Finding the Fourth Proportional to 23,680.74, 32,681.40 and 13,072.70

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Solution

The fourth proportional to 23,680.74, 32,681.40 and 13,072.70 is: 18,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,680.74 : 32,681.40 = 13,072.70 : x
  2. Step 2: Convert to fraction form
    23,680.74/32,681.40 = 13,072.70/x
  3. Step 3: Cross multiply
    23,680.74x = 32,681.40 × 13,072.70
  4. Step 4: Simplify right side
    23,680.74x = 427,234,137.78
  5. Step 5: Solve for x
    x = 427,234,137.78/23,680.74
  6. Step 6: Final answer
    x = 18,041.42

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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.