Home / 16,222.28-22,385.48-9,506.98

Finding the Fourth Proportional to 16,222.28, 22,385.48 and 9,506.98

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Solution

The fourth proportional to 16,222.28, 22,385.48 and 9,506.98 is: 13,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.28 : 22,385.48 = 9,506.98 : x
  2. Step 2: Convert to fraction form
    16,222.28/22,385.48 = 9,506.98/x
  3. Step 3: Cross multiply
    16,222.28x = 22,385.48 × 9,506.98
  4. Step 4: Simplify right side
    16,222.28x = 212,818,278.45
  5. Step 5: Solve for x
    x = 212,818,278.45/16,222.28
  6. Step 6: Final answer
    x = 13,118.89

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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.