Home / 22,549.36-31,116-15,266.64

Finding the Fourth Proportional to 22,549.36, 31,116 and 15,266.64

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Solution

The fourth proportional to 22,549.36, 31,116 and 15,266.64 is: 21,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,549.36 : 31,116 = 15,266.64 : x
  2. Step 2: Convert to fraction form
    22,549.36/31,116 = 15,266.64/x
  3. Step 3: Cross multiply
    22,549.36x = 31,116 × 15,266.64
  4. Step 4: Simplify right side
    22,549.36x = 475,036,770.24
  5. Step 5: Solve for x
    x = 475,036,770.24/22,549.36
  6. Step 6: Final answer
    x = 21,066.53

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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.