Home / 16,234.84-22,402.20-9,161.40

Finding the Fourth Proportional to 16,234.84, 22,402.20 and 9,161.40

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Solution

The fourth proportional to 16,234.84, 22,402.20 and 9,161.40 is: 12,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,234.84 : 22,402.20 = 9,161.40 : x
  2. Step 2: Convert to fraction form
    16,234.84/22,402.20 = 9,161.40/x
  3. Step 3: Cross multiply
    16,234.84x = 22,402.20 × 9,161.40
  4. Step 4: Simplify right side
    16,234.84x = 205,235,515.08
  5. Step 5: Solve for x
    x = 205,235,515.08/16,234.84
  6. Step 6: Final answer
    x = 12,641.67

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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.