Home / 19,209.15-26,507.96-11,251.20

Finding the Fourth Proportional to 19,209.15, 26,507.96 and 11,251.20

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Solution

The fourth proportional to 19,209.15, 26,507.96 and 11,251.20 is: 15,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.15 : 26,507.96 = 11,251.20 : x
  2. Step 2: Convert to fraction form
    19,209.15/26,507.96 = 11,251.20/x
  3. Step 3: Cross multiply
    19,209.15x = 26,507.96 × 11,251.20
  4. Step 4: Simplify right side
    19,209.15x = 298,246,444.89
  5. Step 5: Solve for x
    x = 298,246,444.89/19,209.15
  6. Step 6: Final answer
    x = 15,526.27

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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.