Home / 16,187.11-22,341.35-9,113.58

Finding the Fourth Proportional to 16,187.11, 22,341.35 and 9,113.58

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Solution

The fourth proportional to 16,187.11, 22,341.35 and 9,113.58 is: 12,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.11 : 22,341.35 = 9,113.58 : x
  2. Step 2: Convert to fraction form
    16,187.11/22,341.35 = 9,113.58/x
  3. Step 3: Cross multiply
    16,187.11x = 22,341.35 × 9,113.58
  4. Step 4: Simplify right side
    16,187.11x = 203,609,703.32
  5. Step 5: Solve for x
    x = 203,609,703.32/16,187.11
  6. Step 6: Final answer
    x = 12,578.51

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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.