Home / 19,732.79-27,230.10-11,774.95

Finding the Fourth Proportional to 19,732.79, 27,230.10 and 11,774.95

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Solution

The fourth proportional to 19,732.79, 27,230.10 and 11,774.95 is: 16,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.79 : 27,230.10 = 11,774.95 : x
  2. Step 2: Convert to fraction form
    19,732.79/27,230.10 = 11,774.95/x
  3. Step 3: Cross multiply
    19,732.79x = 27,230.10 × 11,774.95
  4. Step 4: Simplify right side
    19,732.79x = 320,633,066.00
  5. Step 5: Solve for x
    x = 320,633,066.00/19,732.79
  6. Step 6: Final answer
    x = 16,248.74

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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.