Home / 13,532.88-18,677.56-8,497.84

Finding the Fourth Proportional to 13,532.88, 18,677.56 and 8,497.84

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Solution

The fourth proportional to 13,532.88, 18,677.56 and 8,497.84 is: 11,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.88 : 18,677.56 = 8,497.84 : x
  2. Step 2: Convert to fraction form
    13,532.88/18,677.56 = 8,497.84/x
  3. Step 3: Cross multiply
    13,532.88x = 18,677.56 × 8,497.84
  4. Step 4: Simplify right side
    13,532.88x = 158,718,916.47
  5. Step 5: Solve for x
    x = 158,718,916.47/13,532.88
  6. Step 6: Final answer
    x = 11,728.39

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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.