Home / 14,208.01-21,315.09-5,442.92

Finding the Fourth Proportional to 14,208.01, 21,315.09 and 5,442.92

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Solution

The fourth proportional to 14,208.01, 21,315.09 and 5,442.92 is: 8,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.01 : 21,315.09 = 5,442.92 : x
  2. Step 2: Convert to fraction form
    14,208.01/21,315.09 = 5,442.92/x
  3. Step 3: Cross multiply
    14,208.01x = 21,315.09 × 5,442.92
  4. Step 4: Simplify right side
    14,208.01x = 116,016,329.66
  5. Step 5: Solve for x
    x = 116,016,329.66/14,208.01
  6. Step 6: Final answer
    x = 8,165.56

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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.