Home / 14,466.18-19,965.45-9,161.49

Finding the Fourth Proportional to 14,466.18, 19,965.45 and 9,161.49

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Solution

The fourth proportional to 14,466.18, 19,965.45 and 9,161.49 is: 12,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,466.18 : 19,965.45 = 9,161.49 : x
  2. Step 2: Convert to fraction form
    14,466.18/19,965.45 = 9,161.49/x
  3. Step 3: Cross multiply
    14,466.18x = 19,965.45 × 9,161.49
  4. Step 4: Simplify right side
    14,466.18x = 182,913,170.69
  5. Step 5: Solve for x
    x = 182,913,170.69/14,466.18
  6. Step 6: Final answer
    x = 12,644.20

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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.