Home / 22,653.36-31,260.96-12,717.36

Finding the Fourth Proportional to 22,653.36, 31,260.96 and 12,717.36

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Solution

The fourth proportional to 22,653.36, 31,260.96 and 12,717.36 is: 17,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.36 : 31,260.96 = 12,717.36 : x
  2. Step 2: Convert to fraction form
    22,653.36/31,260.96 = 12,717.36/x
  3. Step 3: Cross multiply
    22,653.36x = 31,260.96 × 12,717.36
  4. Step 4: Simplify right side
    22,653.36x = 397,556,882.27
  5. Step 5: Solve for x
    x = 397,556,882.27/22,653.36
  6. Step 6: Final answer
    x = 17,549.58

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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.