Home / 35,517.78-53,276.70-9,220.32

Finding the Fourth Proportional to 35,517.78, 53,276.70 and 9,220.32

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Solution

The fourth proportional to 35,517.78, 53,276.70 and 9,220.32 is: 13,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,517.78 : 53,276.70 = 9,220.32 : x
  2. Step 2: Convert to fraction form
    35,517.78/53,276.70 = 9,220.32/x
  3. Step 3: Cross multiply
    35,517.78x = 53,276.70 × 9,220.32
  4. Step 4: Simplify right side
    35,517.78x = 491,228,222.54
  5. Step 5: Solve for x
    x = 491,228,222.54/35,517.78
  6. Step 6: Final answer
    x = 13,830.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.