Home / 28,165.52-38,883.84-19,226.36

Finding the Fourth Proportional to 28,165.52, 38,883.84 and 19,226.36

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Solution

The fourth proportional to 28,165.52, 38,883.84 and 19,226.36 is: 26,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.52 : 38,883.84 = 19,226.36 : x
  2. Step 2: Convert to fraction form
    28,165.52/38,883.84 = 19,226.36/x
  3. Step 3: Cross multiply
    28,165.52x = 38,883.84 × 19,226.36
  4. Step 4: Simplify right side
    28,165.52x = 747,594,706.02
  5. Step 5: Solve for x
    x = 747,594,706.02/28,165.52
  6. Step 6: Final answer
    x = 26,542.90

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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.