Home / 17,110.51-25,666.67-5,424.64

Finding the Fourth Proportional to 17,110.51, 25,666.67 and 5,424.64

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Solution

The fourth proportional to 17,110.51, 25,666.67 and 5,424.64 is: 8,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.51 : 25,666.67 = 5,424.64 : x
  2. Step 2: Convert to fraction form
    17,110.51/25,666.67 = 5,424.64/x
  3. Step 3: Cross multiply
    17,110.51x = 25,666.67 × 5,424.64
  4. Step 4: Simplify right side
    17,110.51x = 139,232,394.14
  5. Step 5: Solve for x
    x = 139,232,394.14/17,110.51
  6. Step 6: Final answer
    x = 8,137.25

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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.