Home / 20,562.04-28,374.06-11,608.30

Finding the Fourth Proportional to 20,562.04, 28,374.06 and 11,608.30

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Solution

The fourth proportional to 20,562.04, 28,374.06 and 11,608.30 is: 16,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.04 : 28,374.06 = 11,608.30 : x
  2. Step 2: Convert to fraction form
    20,562.04/28,374.06 = 11,608.30/x
  3. Step 3: Cross multiply
    20,562.04x = 28,374.06 × 11,608.30
  4. Step 4: Simplify right side
    20,562.04x = 329,374,600.70
  5. Step 5: Solve for x
    x = 329,374,600.70/20,562.04
  6. Step 6: Final answer
    x = 16,018.58

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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.