Home / 22,548.28-31,116.66-12,477.14

Finding the Fourth Proportional to 22,548.28, 31,116.66 and 12,477.14

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Solution

The fourth proportional to 22,548.28, 31,116.66 and 12,477.14 is: 17,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.28 : 31,116.66 = 12,477.14 : x
  2. Step 2: Convert to fraction form
    22,548.28/31,116.66 = 12,477.14/x
  3. Step 3: Cross multiply
    22,548.28x = 31,116.66 × 12,477.14
  4. Step 4: Simplify right side
    22,548.28x = 388,246,860.77
  5. Step 5: Solve for x
    x = 388,246,860.77/22,548.28
  6. Step 6: Final answer
    x = 17,218.47

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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.