Home / 17,111.93-25,668.80-5,426.06

Finding the Fourth Proportional to 17,111.93, 25,668.80 and 5,426.06

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Solution

The fourth proportional to 17,111.93, 25,668.80 and 5,426.06 is: 8,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.93 : 25,668.80 = 5,426.06 : x
  2. Step 2: Convert to fraction form
    17,111.93/25,668.80 = 5,426.06/x
  3. Step 3: Cross multiply
    17,111.93x = 25,668.80 × 5,426.06
  4. Step 4: Simplify right side
    17,111.93x = 139,280,313.80
  5. Step 5: Solve for x
    x = 139,280,313.80/17,111.93
  6. Step 6: Final answer
    x = 8,139.37

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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.