Home / 27,215.66-40,798.89-9,681.39

Finding the Fourth Proportional to 27,215.66, 40,798.89 and 9,681.39

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Solution

The fourth proportional to 27,215.66, 40,798.89 and 9,681.39 is: 14,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.66 : 40,798.89 = 9,681.39 : x
  2. Step 2: Convert to fraction form
    27,215.66/40,798.89 = 9,681.39/x
  3. Step 3: Cross multiply
    27,215.66x = 40,798.89 × 9,681.39
  4. Step 4: Simplify right side
    27,215.66x = 394,989,965.66
  5. Step 5: Solve for x
    x = 394,989,965.66/27,215.66
  6. Step 6: Final answer
    x = 14,513.33

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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.