Home / 19,149.21-26,417.27-11,187.86

Finding the Fourth Proportional to 19,149.21, 26,417.27 and 11,187.86

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Solution

The fourth proportional to 19,149.21, 26,417.27 and 11,187.86 is: 15,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.21 : 26,417.27 = 11,187.86 : x
  2. Step 2: Convert to fraction form
    19,149.21/26,417.27 = 11,187.86/x
  3. Step 3: Cross multiply
    19,149.21x = 26,417.27 × 11,187.86
  4. Step 4: Simplify right side
    19,149.21x = 295,552,614.23
  5. Step 5: Solve for x
    x = 295,552,614.23/19,149.21
  6. Step 6: Final answer
    x = 15,434.19

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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.