Home / 22,317.19-30,798.84-12,757.57

Finding the Fourth Proportional to 22,317.19, 30,798.84 and 12,757.57

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Solution

The fourth proportional to 22,317.19, 30,798.84 and 12,757.57 is: 17,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,317.19 : 30,798.84 = 12,757.57 : x
  2. Step 2: Convert to fraction form
    22,317.19/30,798.84 = 12,757.57/x
  3. Step 3: Cross multiply
    22,317.19x = 30,798.84 × 12,757.57
  4. Step 4: Simplify right side
    22,317.19x = 392,918,357.22
  5. Step 5: Solve for x
    x = 392,918,357.22/22,317.19
  6. Step 6: Final answer
    x = 17,606.09

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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.