Home / 18,845.15-26,007.90-10,348.71

Finding the Fourth Proportional to 18,845.15, 26,007.90 and 10,348.71

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Solution

The fourth proportional to 18,845.15, 26,007.90 and 10,348.71 is: 14,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.15 : 26,007.90 = 10,348.71 : x
  2. Step 2: Convert to fraction form
    18,845.15/26,007.90 = 10,348.71/x
  3. Step 3: Cross multiply
    18,845.15x = 26,007.90 × 10,348.71
  4. Step 4: Simplify right side
    18,845.15x = 269,148,214.81
  5. Step 5: Solve for x
    x = 269,148,214.81/18,845.15
  6. Step 6: Final answer
    x = 14,282.09

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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.