Home / 18,814.01-28,223.44-5,667.71

Finding the Fourth Proportional to 18,814.01, 28,223.44 and 5,667.71

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Solution

The fourth proportional to 18,814.01, 28,223.44 and 5,667.71 is: 8,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.01 : 28,223.44 = 5,667.71 : x
  2. Step 2: Convert to fraction form
    18,814.01/28,223.44 = 5,667.71/x
  3. Step 3: Cross multiply
    18,814.01x = 28,223.44 × 5,667.71
  4. Step 4: Simplify right side
    18,814.01x = 159,962,117.84
  5. Step 5: Solve for x
    x = 159,962,117.84/18,814.01
  6. Step 6: Final answer
    x = 8,502.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.