Home / 16,181.08-22,328.56-9,106.20

Finding the Fourth Proportional to 16,181.08, 22,328.56 and 9,106.20

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Solution

The fourth proportional to 16,181.08, 22,328.56 and 9,106.20 is: 12,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.08 : 22,328.56 = 9,106.20 : x
  2. Step 2: Convert to fraction form
    16,181.08/22,328.56 = 9,106.20/x
  3. Step 3: Cross multiply
    16,181.08x = 22,328.56 × 9,106.20
  4. Step 4: Simplify right side
    16,181.08x = 203,328,333.07
  5. Step 5: Solve for x
    x = 203,328,333.07/16,181.08
  6. Step 6: Final answer
    x = 12,565.81

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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.