Home / 16,074.18-22,181.85-8,904.40

Finding the Fourth Proportional to 16,074.18, 22,181.85 and 8,904.40

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Solution

The fourth proportional to 16,074.18, 22,181.85 and 8,904.40 is: 12,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,074.18 : 22,181.85 = 8,904.40 : x
  2. Step 2: Convert to fraction form
    16,074.18/22,181.85 = 8,904.40/x
  3. Step 3: Cross multiply
    16,074.18x = 22,181.85 × 8,904.40
  4. Step 4: Simplify right side
    16,074.18x = 197,516,009.69
  5. Step 5: Solve for x
    x = 197,516,009.69/16,074.18
  6. Step 6: Final answer
    x = 12,287.78

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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.