Home / 14,122.13-21,186.44-4,888.13

Finding the Fourth Proportional to 14,122.13, 21,186.44 and 4,888.13

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Solution

The fourth proportional to 14,122.13, 21,186.44 and 4,888.13 is: 7,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.13 : 21,186.44 = 4,888.13 : x
  2. Step 2: Convert to fraction form
    14,122.13/21,186.44 = 4,888.13/x
  3. Step 3: Cross multiply
    14,122.13x = 21,186.44 × 4,888.13
  4. Step 4: Simplify right side
    14,122.13x = 103,561,979.25
  5. Step 5: Solve for x
    x = 103,561,979.25/14,122.13
  6. Step 6: Final answer
    x = 7,333.31

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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.