Home / 17,755.80-26,637.48-5,275.86

Finding the Fourth Proportional to 17,755.80, 26,637.48 and 5,275.86

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Solution

The fourth proportional to 17,755.80, 26,637.48 and 5,275.86 is: 7,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.80 : 26,637.48 = 5,275.86 : x
  2. Step 2: Convert to fraction form
    17,755.80/26,637.48 = 5,275.86/x
  3. Step 3: Cross multiply
    17,755.80x = 26,637.48 × 5,275.86
  4. Step 4: Simplify right side
    17,755.80x = 140,535,615.23
  5. Step 5: Solve for x
    x = 140,535,615.23/17,755.80
  6. Step 6: Final answer
    x = 7,914.91

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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.