Home / 19,169.80-26,454.91-10,439.04

Finding the Fourth Proportional to 19,169.80, 26,454.91 and 10,439.04

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Solution

The fourth proportional to 19,169.80, 26,454.91 and 10,439.04 is: 14,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.80 : 26,454.91 = 10,439.04 : x
  2. Step 2: Convert to fraction form
    19,169.80/26,454.91 = 10,439.04/x
  3. Step 3: Cross multiply
    19,169.80x = 26,454.91 × 10,439.04
  4. Step 4: Simplify right side
    19,169.80x = 276,163,863.69
  5. Step 5: Solve for x
    x = 276,163,863.69/19,169.80
  6. Step 6: Final answer
    x = 14,406.19

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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.