Home / 19,170.51-26,456.50-11,617.50

Finding the Fourth Proportional to 19,170.51, 26,456.50 and 11,617.50

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Solution

The fourth proportional to 19,170.51, 26,456.50 and 11,617.50 is: 16,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.51 : 26,456.50 = 11,617.50 : x
  2. Step 2: Convert to fraction form
    19,170.51/26,456.50 = 11,617.50/x
  3. Step 3: Cross multiply
    19,170.51x = 26,456.50 × 11,617.50
  4. Step 4: Simplify right side
    19,170.51x = 307,358,388.75
  5. Step 5: Solve for x
    x = 307,358,388.75/19,170.51
  6. Step 6: Final answer
    x = 16,032.87

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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.