Home / 22,256.88-30,712.40-13,302.60

Finding the Fourth Proportional to 22,256.88, 30,712.40 and 13,302.60

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Solution

The fourth proportional to 22,256.88, 30,712.40 and 13,302.60 is: 18,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.88 : 30,712.40 = 13,302.60 : x
  2. Step 2: Convert to fraction form
    22,256.88/30,712.40 = 13,302.60/x
  3. Step 3: Cross multiply
    22,256.88x = 30,712.40 × 13,302.60
  4. Step 4: Simplify right side
    22,256.88x = 408,554,772.24
  5. Step 5: Solve for x
    x = 408,554,772.24/22,256.88
  6. Step 6: Final answer
    x = 18,356.34

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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.