Home / 20,701.09-31,060.86-7,550.38

Finding the Fourth Proportional to 20,701.09, 31,060.86 and 7,550.38

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Solution

The fourth proportional to 20,701.09, 31,060.86 and 7,550.38 is: 11,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.09 : 31,060.86 = 7,550.38 : x
  2. Step 2: Convert to fraction form
    20,701.09/31,060.86 = 7,550.38/x
  3. Step 3: Cross multiply
    20,701.09x = 31,060.86 × 7,550.38
  4. Step 4: Simplify right side
    20,701.09x = 234,521,360.86
  5. Step 5: Solve for x
    x = 234,521,360.86/20,701.09
  6. Step 6: Final answer
    x = 11,328.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.