Home / 27,716.61-38,248.91-14,969.79

Finding the Fourth Proportional to 27,716.61, 38,248.91 and 14,969.79

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Solution

The fourth proportional to 27,716.61, 38,248.91 and 14,969.79 is: 20,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.61 : 38,248.91 = 14,969.79 : x
  2. Step 2: Convert to fraction form
    27,716.61/38,248.91 = 14,969.79/x
  3. Step 3: Cross multiply
    27,716.61x = 38,248.91 × 14,969.79
  4. Step 4: Simplify right side
    27,716.61x = 572,578,150.43
  5. Step 5: Solve for x
    x = 572,578,150.43/27,716.61
  6. Step 6: Final answer
    x = 20,658.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.