Home / 19,095.92-26,358.48-11,139.69

Finding the Fourth Proportional to 19,095.92, 26,358.48 and 11,139.69

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Solution

The fourth proportional to 19,095.92, 26,358.48 and 11,139.69 is: 15,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.92 : 26,358.48 = 11,139.69 : x
  2. Step 2: Convert to fraction form
    19,095.92/26,358.48 = 11,139.69/x
  3. Step 3: Cross multiply
    19,095.92x = 26,358.48 × 11,139.69
  4. Step 4: Simplify right side
    19,095.92x = 293,625,394.92
  5. Step 5: Solve for x
    x = 293,625,394.92/19,095.92
  6. Step 6: Final answer
    x = 15,376.34

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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.