Home / 22,426.94-30,948.32-13,479.38

Finding the Fourth Proportional to 22,426.94, 30,948.32 and 13,479.38

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Solution

The fourth proportional to 22,426.94, 30,948.32 and 13,479.38 is: 18,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,426.94 : 30,948.32 = 13,479.38 : x
  2. Step 2: Convert to fraction form
    22,426.94/30,948.32 = 13,479.38/x
  3. Step 3: Cross multiply
    22,426.94x = 30,948.32 × 13,479.38
  4. Step 4: Simplify right side
    22,426.94x = 417,164,165.64
  5. Step 5: Solve for x
    x = 417,164,165.64/22,426.94
  6. Step 6: Final answer
    x = 18,601.03

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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.