Home / 14,707.86-20,296.87-7,993.56

Finding the Fourth Proportional to 14,707.86, 20,296.87 and 7,993.56

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Solution

The fourth proportional to 14,707.86, 20,296.87 and 7,993.56 is: 11,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.86 : 20,296.87 = 7,993.56 : x
  2. Step 2: Convert to fraction form
    14,707.86/20,296.87 = 7,993.56/x
  3. Step 3: Cross multiply
    14,707.86x = 20,296.87 × 7,993.56
  4. Step 4: Simplify right side
    14,707.86x = 162,244,248.16
  5. Step 5: Solve for x
    x = 162,244,248.16/14,707.86
  6. Step 6: Final answer
    x = 11,031.13

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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.