Home / 19,101.30-28,659.15-9,249.18

Finding the Fourth Proportional to 19,101.30, 28,659.15 and 9,249.18

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Solution

The fourth proportional to 19,101.30, 28,659.15 and 9,249.18 is: 13,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.30 : 28,659.15 = 9,249.18 : x
  2. Step 2: Convert to fraction form
    19,101.30/28,659.15 = 9,249.18/x
  3. Step 3: Cross multiply
    19,101.30x = 28,659.15 × 9,249.18
  4. Step 4: Simplify right side
    19,101.30x = 265,073,637.00
  5. Step 5: Solve for x
    x = 265,073,637.00/19,101.30
  6. Step 6: Final answer
    x = 13,877.26

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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.