Home / 20,876.04-28,808.73-11,444.58

Finding the Fourth Proportional to 20,876.04, 28,808.73 and 11,444.58

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Solution

The fourth proportional to 20,876.04, 28,808.73 and 11,444.58 is: 15,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,876.04 : 28,808.73 = 11,444.58 : x
  2. Step 2: Convert to fraction form
    20,876.04/28,808.73 = 11,444.58/x
  3. Step 3: Cross multiply
    20,876.04x = 28,808.73 × 11,444.58
  4. Step 4: Simplify right side
    20,876.04x = 329,703,815.18
  5. Step 5: Solve for x
    x = 329,703,815.18/20,876.04
  6. Step 6: Final answer
    x = 15,793.41

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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.