Home / 17,538.08-26,307.66-7,672.28

Finding the Fourth Proportional to 17,538.08, 26,307.66 and 7,672.28

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Solution

The fourth proportional to 17,538.08, 26,307.66 and 7,672.28 is: 11,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,538.08 : 26,307.66 = 7,672.28 : x
  2. Step 2: Convert to fraction form
    17,538.08/26,307.66 = 7,672.28/x
  3. Step 3: Cross multiply
    17,538.08x = 26,307.66 × 7,672.28
  4. Step 4: Simplify right side
    17,538.08x = 201,839,733.66
  5. Step 5: Solve for x
    x = 201,839,733.66/17,538.08
  6. Step 6: Final answer
    x = 11,508.66

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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.