Home / 16,189.50-22,341.51-9,117.66

Finding the Fourth Proportional to 16,189.50, 22,341.51 and 9,117.66

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Solution

The fourth proportional to 16,189.50, 22,341.51 and 9,117.66 is: 12,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,189.50 : 22,341.51 = 9,117.66 : x
  2. Step 2: Convert to fraction form
    16,189.50/22,341.51 = 9,117.66/x
  3. Step 3: Cross multiply
    16,189.50x = 22,341.51 × 9,117.66
  4. Step 4: Simplify right side
    16,189.50x = 203,702,292.07
  5. Step 5: Solve for x
    x = 203,702,292.07/16,189.50
  6. Step 6: Final answer
    x = 12,582.37

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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.