Home / 19,193.10-28,787.13-7,514.46

Finding the Fourth Proportional to 19,193.10, 28,787.13 and 7,514.46

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Solution

The fourth proportional to 19,193.10, 28,787.13 and 7,514.46 is: 11,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.10 : 28,787.13 = 7,514.46 : x
  2. Step 2: Convert to fraction form
    19,193.10/28,787.13 = 7,514.46/x
  3. Step 3: Cross multiply
    19,193.10x = 28,787.13 × 7,514.46
  4. Step 4: Simplify right side
    19,193.10x = 216,319,736.90
  5. Step 5: Solve for x
    x = 216,319,736.90/19,193.10
  6. Step 6: Final answer
    x = 11,270.70

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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.