Home / 20,012.51-27,617.66-11,060.39

Finding the Fourth Proportional to 20,012.51, 27,617.66 and 11,060.39

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Solution

The fourth proportional to 20,012.51, 27,617.66 and 11,060.39 is: 15,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.51 : 27,617.66 = 11,060.39 : x
  2. Step 2: Convert to fraction form
    20,012.51/27,617.66 = 11,060.39/x
  3. Step 3: Cross multiply
    20,012.51x = 27,617.66 × 11,060.39
  4. Step 4: Simplify right side
    20,012.51x = 305,461,897.10
  5. Step 5: Solve for x
    x = 305,461,897.10/20,012.51
  6. Step 6: Final answer
    x = 15,263.55

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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.