Home / 16,161.09-22,298.67-9,354.05

Finding the Fourth Proportional to 16,161.09, 22,298.67 and 9,354.05

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Solution

The fourth proportional to 16,161.09, 22,298.67 and 9,354.05 is: 12,906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.09 : 22,298.67 = 9,354.05 : x
  2. Step 2: Convert to fraction form
    16,161.09/22,298.67 = 9,354.05/x
  3. Step 3: Cross multiply
    16,161.09x = 22,298.67 × 9,354.05
  4. Step 4: Simplify right side
    16,161.09x = 208,582,827.34
  5. Step 5: Solve for x
    x = 208,582,827.34/16,161.09
  6. Step 6: Final answer
    x = 12,906.49

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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.