Home / 17,656.16-26,494.80-7,131.32

Finding the Fourth Proportional to 17,656.16, 26,494.80 and 7,131.32

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Solution

The fourth proportional to 17,656.16, 26,494.80 and 7,131.32 is: 10,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656.16 : 26,494.80 = 7,131.32 : x
  2. Step 2: Convert to fraction form
    17,656.16/26,494.80 = 7,131.32/x
  3. Step 3: Cross multiply
    17,656.16x = 26,494.80 × 7,131.32
  4. Step 4: Simplify right side
    17,656.16x = 188,942,897.14
  5. Step 5: Solve for x
    x = 188,942,897.14/17,656.16
  6. Step 6: Final answer
    x = 10,701.25

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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.