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Finding the Fourth Proportional to 16,293.18, 22,486.49 and 9,923.51

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Solution

The fourth proportional to 16,293.18, 22,486.49 and 9,923.51 is: 13,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,293.18 : 22,486.49 = 9,923.51 : x
  2. Step 2: Convert to fraction form
    16,293.18/22,486.49 = 9,923.51/x
  3. Step 3: Cross multiply
    16,293.18x = 22,486.49 × 9,923.51
  4. Step 4: Simplify right side
    16,293.18x = 223,144,908.38
  5. Step 5: Solve for x
    x = 223,144,908.38/16,293.18
  6. Step 6: Final answer
    x = 13,695.60

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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.