Home / 19,249.10-26,565.63-11,693.78

Finding the Fourth Proportional to 19,249.10, 26,565.63 and 11,693.78

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Solution

The fourth proportional to 19,249.10, 26,565.63 and 11,693.78 is: 16,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249.10 : 26,565.63 = 11,693.78 : x
  2. Step 2: Convert to fraction form
    19,249.10/26,565.63 = 11,693.78/x
  3. Step 3: Cross multiply
    19,249.10x = 26,565.63 × 11,693.78
  4. Step 4: Simplify right side
    19,249.10x = 310,652,632.78
  5. Step 5: Solve for x
    x = 310,652,632.78/19,249.10
  6. Step 6: Final answer
    x = 16,138.55

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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.