Home / 14,072.91-21,104.07-5,748.47

Finding the Fourth Proportional to 14,072.91, 21,104.07 and 5,748.47

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Solution

The fourth proportional to 14,072.91, 21,104.07 and 5,748.47 is: 8,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.91 : 21,104.07 = 5,748.47 : x
  2. Step 2: Convert to fraction form
    14,072.91/21,104.07 = 5,748.47/x
  3. Step 3: Cross multiply
    14,072.91x = 21,104.07 × 5,748.47
  4. Step 4: Simplify right side
    14,072.91x = 121,316,184.05
  5. Step 5: Solve for x
    x = 121,316,184.05/14,072.91
  6. Step 6: Final answer
    x = 8,620.55

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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.