Home / 20,848.54-28,768.35-16,610.35

Finding the Fourth Proportional to 20,848.54, 28,768.35 and 16,610.35

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Solution

The fourth proportional to 20,848.54, 28,768.35 and 16,610.35 is: 22,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.54 : 28,768.35 = 16,610.35 : x
  2. Step 2: Convert to fraction form
    20,848.54/28,768.35 = 16,610.35/x
  3. Step 3: Cross multiply
    20,848.54x = 28,768.35 × 16,610.35
  4. Step 4: Simplify right side
    20,848.54x = 477,852,362.42
  5. Step 5: Solve for x
    x = 477,852,362.42/20,848.54
  6. Step 6: Final answer
    x = 22,920.18

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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.