Home / 17,655.27-26,477.01-7,122.57

Finding the Fourth Proportional to 17,655.27, 26,477.01 and 7,122.57

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Solution

The fourth proportional to 17,655.27, 26,477.01 and 7,122.57 is: 10,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.27 : 26,477.01 = 7,122.57 : x
  2. Step 2: Convert to fraction form
    17,655.27/26,477.01 = 7,122.57/x
  3. Step 3: Cross multiply
    17,655.27x = 26,477.01 × 7,122.57
  4. Step 4: Simplify right side
    17,655.27x = 188,584,357.12
  5. Step 5: Solve for x
    x = 188,584,357.12/17,655.27
  6. Step 6: Final answer
    x = 10,681.48

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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.