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Finding the Fourth Proportional to 22,326.91, 30,806.80 and 14,368.05

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Solution

The fourth proportional to 22,326.91, 30,806.80 and 14,368.05 is: 19,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,326.91 : 30,806.80 = 14,368.05 : x
  2. Step 2: Convert to fraction form
    22,326.91/30,806.80 = 14,368.05/x
  3. Step 3: Cross multiply
    22,326.91x = 30,806.80 × 14,368.05
  4. Step 4: Simplify right side
    22,326.91x = 442,633,606.82
  5. Step 5: Solve for x
    x = 442,633,606.82/22,326.91
  6. Step 6: Final answer
    x = 19,825.12

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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.