Home / 16,398.48-22,631.65-10,028.80

Finding the Fourth Proportional to 16,398.48, 22,631.65 and 10,028.80

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Solution

The fourth proportional to 16,398.48, 22,631.65 and 10,028.80 is: 13,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398.48 : 22,631.65 = 10,028.80 : x
  2. Step 2: Convert to fraction form
    16,398.48/22,631.65 = 10,028.80/x
  3. Step 3: Cross multiply
    16,398.48x = 22,631.65 × 10,028.80
  4. Step 4: Simplify right side
    16,398.48x = 226,968,223.85
  5. Step 5: Solve for x
    x = 226,968,223.85/16,398.48
  6. Step 6: Final answer
    x = 13,840.81

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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.