Home / 17,911.68-26,788.93-15,951.13

Finding the Fourth Proportional to 17,911.68, 26,788.93 and 15,951.13

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Solution

The fourth proportional to 17,911.68, 26,788.93 and 15,951.13 is: 23,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.68 : 26,788.93 = 15,951.13 : x
  2. Step 2: Convert to fraction form
    17,911.68/26,788.93 = 15,951.13/x
  3. Step 3: Cross multiply
    17,911.68x = 26,788.93 × 15,951.13
  4. Step 4: Simplify right side
    17,911.68x = 427,313,598.14
  5. Step 5: Solve for x
    x = 427,313,598.14/17,911.68
  6. Step 6: Final answer
    x = 23,856.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.