Home / 20,858.56-31,261.60-14,904.48

Finding the Fourth Proportional to 20,858.56, 31,261.60 and 14,904.48

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Solution

The fourth proportional to 20,858.56, 31,261.60 and 14,904.48 is: 22,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858.56 : 31,261.60 = 14,904.48 : x
  2. Step 2: Convert to fraction form
    20,858.56/31,261.60 = 14,904.48/x
  3. Step 3: Cross multiply
    20,858.56x = 31,261.60 × 14,904.48
  4. Step 4: Simplify right side
    20,858.56x = 465,937,891.97
  5. Step 5: Solve for x
    x = 465,937,891.97/20,858.56
  6. Step 6: Final answer
    x = 22,337.97

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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.