Home / 19,209.19-28,813.49-11,714.95

Finding the Fourth Proportional to 19,209.19, 28,813.49 and 11,714.95

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Solution

The fourth proportional to 19,209.19, 28,813.49 and 11,714.95 is: 17,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.19 : 28,813.49 = 11,714.95 : x
  2. Step 2: Convert to fraction form
    19,209.19/28,813.49 = 11,714.95/x
  3. Step 3: Cross multiply
    19,209.19x = 28,813.49 × 11,714.95
  4. Step 4: Simplify right side
    19,209.19x = 337,548,594.68
  5. Step 5: Solve for x
    x = 337,548,594.68/19,209.19
  6. Step 6: Final answer
    x = 17,572.25

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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.