Home / 14,153.45-19,532.85-8,488.41

Finding the Fourth Proportional to 14,153.45, 19,532.85 and 8,488.41

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Solution

The fourth proportional to 14,153.45, 19,532.85 and 8,488.41 is: 11,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.45 : 19,532.85 = 8,488.41 : x
  2. Step 2: Convert to fraction form
    14,153.45/19,532.85 = 8,488.41/x
  3. Step 3: Cross multiply
    14,153.45x = 19,532.85 × 8,488.41
  4. Step 4: Simplify right side
    14,153.45x = 165,802,839.27
  5. Step 5: Solve for x
    x = 165,802,839.27/14,153.45
  6. Step 6: Final answer
    x = 11,714.66

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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.