Home / 13,531.97-18,673.76-7,563.69

Finding the Fourth Proportional to 13,531.97, 18,673.76 and 7,563.69

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Solution

The fourth proportional to 13,531.97, 18,673.76 and 7,563.69 is: 10,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.97 : 18,673.76 = 7,563.69 : x
  2. Step 2: Convert to fraction form
    13,531.97/18,673.76 = 7,563.69/x
  3. Step 3: Cross multiply
    13,531.97x = 18,673.76 × 7,563.69
  4. Step 4: Simplify right side
    13,531.97x = 141,242,493.96
  5. Step 5: Solve for x
    x = 141,242,493.96/13,531.97
  6. Step 6: Final answer
    x = 10,437.69

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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.