Home / 16,074.40-22,182.96-9,000.80

Finding the Fourth Proportional to 16,074.40, 22,182.96 and 9,000.80

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Solution

The fourth proportional to 16,074.40, 22,182.96 and 9,000.80 is: 12,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,074.40 : 22,182.96 = 9,000.80 : x
  2. Step 2: Convert to fraction form
    16,074.40/22,182.96 = 9,000.80/x
  3. Step 3: Cross multiply
    16,074.40x = 22,182.96 × 9,000.80
  4. Step 4: Simplify right side
    16,074.40x = 199,664,386.37
  5. Step 5: Solve for x
    x = 199,664,386.37/16,074.40
  6. Step 6: Final answer
    x = 12,421.27

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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.