Home / 19,218.40-26,517.99-10,834.90

Finding the Fourth Proportional to 19,218.40, 26,517.99 and 10,834.90

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Solution

The fourth proportional to 19,218.40, 26,517.99 and 10,834.90 is: 14,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.40 : 26,517.99 = 10,834.90 : x
  2. Step 2: Convert to fraction form
    19,218.40/26,517.99 = 10,834.90/x
  3. Step 3: Cross multiply
    19,218.40x = 26,517.99 × 10,834.90
  4. Step 4: Simplify right side
    19,218.40x = 287,319,769.85
  5. Step 5: Solve for x
    x = 287,319,769.85/19,218.40
  6. Step 6: Final answer
    x = 14,950.24

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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.