Home / 14,748.80-22,166.40-14,489.60

Finding the Fourth Proportional to 14,748.80, 22,166.40 and 14,489.60

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Solution

The fourth proportional to 14,748.80, 22,166.40 and 14,489.60 is: 21,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.80 : 22,166.40 = 14,489.60 : x
  2. Step 2: Convert to fraction form
    14,748.80/22,166.40 = 14,489.60/x
  3. Step 3: Cross multiply
    14,748.80x = 22,166.40 × 14,489.60
  4. Step 4: Simplify right side
    14,748.80x = 321,182,269.44
  5. Step 5: Solve for x
    x = 321,182,269.44/14,748.80
  6. Step 6: Final answer
    x = 21,776.84

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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.