Home / 19,117.35-26,379.01-11,049.46

Finding the Fourth Proportional to 19,117.35, 26,379.01 and 11,049.46

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Solution

The fourth proportional to 19,117.35, 26,379.01 and 11,049.46 is: 15,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.35 : 26,379.01 = 11,049.46 : x
  2. Step 2: Convert to fraction form
    19,117.35/26,379.01 = 11,049.46/x
  3. Step 3: Cross multiply
    19,117.35x = 26,379.01 × 11,049.46
  4. Step 4: Simplify right side
    19,117.35x = 291,473,683.94
  5. Step 5: Solve for x
    x = 291,473,683.94/19,117.35
  6. Step 6: Final answer
    x = 15,246.55

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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.