Home / 14,154.74-21,232.20-4,159.44

Finding the Fourth Proportional to 14,154.74, 21,232.20 and 4,159.44

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Solution

The fourth proportional to 14,154.74, 21,232.20 and 4,159.44 is: 6,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.74 : 21,232.20 = 4,159.44 : x
  2. Step 2: Convert to fraction form
    14,154.74/21,232.20 = 4,159.44/x
  3. Step 3: Cross multiply
    14,154.74x = 21,232.20 × 4,159.44
  4. Step 4: Simplify right side
    14,154.74x = 88,314,042.47
  5. Step 5: Solve for x
    x = 88,314,042.47/14,154.74
  6. Step 6: Final answer
    x = 6,239.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.