Home / 14,349.78-21,523.05-4,988.22

Finding the Fourth Proportional to 14,349.78, 21,523.05 and 4,988.22

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Solution

The fourth proportional to 14,349.78, 21,523.05 and 4,988.22 is: 7,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.78 : 21,523.05 = 4,988.22 : x
  2. Step 2: Convert to fraction form
    14,349.78/21,523.05 = 4,988.22/x
  3. Step 3: Cross multiply
    14,349.78x = 21,523.05 × 4,988.22
  4. Step 4: Simplify right side
    14,349.78x = 107,361,708.47
  5. Step 5: Solve for x
    x = 107,361,708.47/14,349.78
  6. Step 6: Final answer
    x = 7,481.77

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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.