Home / 19,581.76-27,025.16-10,968.76

Finding the Fourth Proportional to 19,581.76, 27,025.16 and 10,968.76

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Solution

The fourth proportional to 19,581.76, 27,025.16 and 10,968.76 is: 15,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.76 : 27,025.16 = 10,968.76 : x
  2. Step 2: Convert to fraction form
    19,581.76/27,025.16 = 10,968.76/x
  3. Step 3: Cross multiply
    19,581.76x = 27,025.16 × 10,968.76
  4. Step 4: Simplify right side
    19,581.76x = 296,432,494.00
  5. Step 5: Solve for x
    x = 296,432,494.00/19,581.76
  6. Step 6: Final answer
    x = 15,138.19

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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.