Home / 20,904.58-28,848.17-11,344.26

Finding the Fourth Proportional to 20,904.58, 28,848.17 and 11,344.26

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Solution

The fourth proportional to 20,904.58, 28,848.17 and 11,344.26 is: 15,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904.58 : 28,848.17 = 11,344.26 : x
  2. Step 2: Convert to fraction form
    20,904.58/28,848.17 = 11,344.26/x
  3. Step 3: Cross multiply
    20,904.58x = 28,848.17 × 11,344.26
  4. Step 4: Simplify right side
    20,904.58x = 327,261,141.00
  5. Step 5: Solve for x
    x = 327,261,141.00/20,904.58
  6. Step 6: Final answer
    x = 15,655.00

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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.