Home / 14,191.97-19,584.95-7,818.35

Finding the Fourth Proportional to 14,191.97, 19,584.95 and 7,818.35

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Solution

The fourth proportional to 14,191.97, 19,584.95 and 7,818.35 is: 10,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.97 : 19,584.95 = 7,818.35 : x
  2. Step 2: Convert to fraction form
    14,191.97/19,584.95 = 7,818.35/x
  3. Step 3: Cross multiply
    14,191.97x = 19,584.95 × 7,818.35
  4. Step 4: Simplify right side
    14,191.97x = 153,121,856.82
  5. Step 5: Solve for x
    x = 153,121,856.82/14,191.97
  6. Step 6: Final answer
    x = 10,789.33

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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.