Home / 19,701.43-27,188.06-10,749.11

Finding the Fourth Proportional to 19,701.43, 27,188.06 and 10,749.11

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Solution

The fourth proportional to 19,701.43, 27,188.06 and 10,749.11 is: 14,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.43 : 27,188.06 = 10,749.11 : x
  2. Step 2: Convert to fraction form
    19,701.43/27,188.06 = 10,749.11/x
  3. Step 3: Cross multiply
    19,701.43x = 27,188.06 × 10,749.11
  4. Step 4: Simplify right side
    19,701.43x = 292,247,461.85
  5. Step 5: Solve for x
    x = 292,247,461.85/19,701.43
  6. Step 6: Final answer
    x = 14,833.82

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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.