Home / 14,134.28-21,100.57-14,036.36

Finding the Fourth Proportional to 14,134.28, 21,100.57 and 14,036.36

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Solution

The fourth proportional to 14,134.28, 21,100.57 and 14,036.36 is: 20,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.28 : 21,100.57 = 14,036.36 : x
  2. Step 2: Convert to fraction form
    14,134.28/21,100.57 = 14,036.36/x
  3. Step 3: Cross multiply
    14,134.28x = 21,100.57 × 14,036.36
  4. Step 4: Simplify right side
    14,134.28x = 296,175,196.73
  5. Step 5: Solve for x
    x = 296,175,196.73/14,134.28
  6. Step 6: Final answer
    x = 20,954.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.