Home / 19,040.40-28,566.43-8,519.27

Finding the Fourth Proportional to 19,040.40, 28,566.43 and 8,519.27

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Solution

The fourth proportional to 19,040.40, 28,566.43 and 8,519.27 is: 12,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.40 : 28,566.43 = 8,519.27 : x
  2. Step 2: Convert to fraction form
    19,040.40/28,566.43 = 8,519.27/x
  3. Step 3: Cross multiply
    19,040.40x = 28,566.43 × 8,519.27
  4. Step 4: Simplify right side
    19,040.40x = 243,364,965.98
  5. Step 5: Solve for x
    x = 243,364,965.98/19,040.40
  6. Step 6: Final answer
    x = 12,781.50

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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.