Home / 17,429.09-26,139.69-4,948.85

Finding the Fourth Proportional to 17,429.09, 26,139.69 and 4,948.85

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Solution

The fourth proportional to 17,429.09, 26,139.69 and 4,948.85 is: 7,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,429.09 : 26,139.69 = 4,948.85 : x
  2. Step 2: Convert to fraction form
    17,429.09/26,139.69 = 4,948.85/x
  3. Step 3: Cross multiply
    17,429.09x = 26,139.69 × 4,948.85
  4. Step 4: Simplify right side
    17,429.09x = 129,361,274.16
  5. Step 5: Solve for x
    x = 129,361,274.16/17,429.09
  6. Step 6: Final answer
    x = 7,422.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.