Home / 22,256.88-30,711.48-13,302.48

Finding the Fourth Proportional to 22,256.88, 30,711.48 and 13,302.48

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Solution

The fourth proportional to 22,256.88, 30,711.48 and 13,302.48 is: 18,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.88 : 30,711.48 = 13,302.48 : x
  2. Step 2: Convert to fraction form
    22,256.88/30,711.48 = 13,302.48/x
  3. Step 3: Cross multiply
    22,256.88x = 30,711.48 × 13,302.48
  4. Step 4: Simplify right side
    22,256.88x = 408,538,848.47
  5. Step 5: Solve for x
    x = 408,538,848.47/22,256.88
  6. Step 6: Final answer
    x = 18,355.62

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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.