Home / 14,707.15-20,296.07-7,992.91

Finding the Fourth Proportional to 14,707.15, 20,296.07 and 7,992.91

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Solution

The fourth proportional to 14,707.15, 20,296.07 and 7,992.91 is: 11,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.15 : 20,296.07 = 7,992.91 : x
  2. Step 2: Convert to fraction form
    14,707.15/20,296.07 = 7,992.91/x
  3. Step 3: Cross multiply
    14,707.15x = 20,296.07 × 7,992.91
  4. Step 4: Simplify right side
    14,707.15x = 162,224,620.90
  5. Step 5: Solve for x
    x = 162,224,620.90/14,707.15
  6. Step 6: Final answer
    x = 11,030.32

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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.