Home / 13,952.43-19,253.86-7,578.79

Finding the Fourth Proportional to 13,952.43, 19,253.86 and 7,578.79

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Solution

The fourth proportional to 13,952.43, 19,253.86 and 7,578.79 is: 10,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.43 : 19,253.86 = 7,578.79 : x
  2. Step 2: Convert to fraction form
    13,952.43/19,253.86 = 7,578.79/x
  3. Step 3: Cross multiply
    13,952.43x = 19,253.86 × 7,578.79
  4. Step 4: Simplify right side
    13,952.43x = 145,920,894.55
  5. Step 5: Solve for x
    x = 145,920,894.55/13,952.43
  6. Step 6: Final answer
    x = 10,458.46

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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.