Home / 19,119.92-26,385.80-10,622.59

Finding the Fourth Proportional to 19,119.92, 26,385.80 and 10,622.59

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Solution

The fourth proportional to 19,119.92, 26,385.80 and 10,622.59 is: 14,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.92 : 26,385.80 = 10,622.59 : x
  2. Step 2: Convert to fraction form
    19,119.92/26,385.80 = 10,622.59/x
  3. Step 3: Cross multiply
    19,119.92x = 26,385.80 × 10,622.59
  4. Step 4: Simplify right side
    19,119.92x = 280,285,535.22
  5. Step 5: Solve for x
    x = 280,285,535.22/19,119.92
  6. Step 6: Final answer
    x = 14,659.35

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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.