Home / 13,854.10-19,118.62-7,566.47

Finding the Fourth Proportional to 13,854.10, 19,118.62 and 7,566.47

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Solution

The fourth proportional to 13,854.10, 19,118.62 and 7,566.47 is: 10,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.10 : 19,118.62 = 7,566.47 : x
  2. Step 2: Convert to fraction form
    13,854.10/19,118.62 = 7,566.47/x
  3. Step 3: Cross multiply
    13,854.10x = 19,118.62 × 7,566.47
  4. Step 4: Simplify right side
    13,854.10x = 144,660,531.38
  5. Step 5: Solve for x
    x = 144,660,531.38/13,854.10
  6. Step 6: Final answer
    x = 10,441.71

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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.