Home / 22,548.40-31,116.83-12,477.26

Finding the Fourth Proportional to 22,548.40, 31,116.83 and 12,477.26

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Solution

The fourth proportional to 22,548.40, 31,116.83 and 12,477.26 is: 17,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.40 : 31,116.83 = 12,477.26 : x
  2. Step 2: Convert to fraction form
    22,548.40/31,116.83 = 12,477.26/x
  3. Step 3: Cross multiply
    22,548.40x = 31,116.83 × 12,477.26
  4. Step 4: Simplify right side
    22,548.40x = 388,252,793.69
  5. Step 5: Solve for x
    x = 388,252,793.69/22,548.40
  6. Step 6: Final answer
    x = 17,218.64

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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.