Home / 19,701.45-27,188.09-10,749.14

Finding the Fourth Proportional to 19,701.45, 27,188.09 and 10,749.14

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Solution

The fourth proportional to 19,701.45, 27,188.09 and 10,749.14 is: 14,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.45 : 27,188.09 = 10,749.14 : x
  2. Step 2: Convert to fraction form
    19,701.45/27,188.09 = 10,749.14/x
  3. Step 3: Cross multiply
    19,701.45x = 27,188.09 × 10,749.14
  4. Step 4: Simplify right side
    19,701.45x = 292,248,698.37
  5. Step 5: Solve for x
    x = 292,248,698.37/19,701.45
  6. Step 6: Final answer
    x = 14,833.87

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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.