Home / 14,136.76-21,195.06-5,364.28

Finding the Fourth Proportional to 14,136.76, 21,195.06 and 5,364.28

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Solution

The fourth proportional to 14,136.76, 21,195.06 and 5,364.28 is: 8,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.76 : 21,195.06 = 5,364.28 : x
  2. Step 2: Convert to fraction form
    14,136.76/21,195.06 = 5,364.28/x
  3. Step 3: Cross multiply
    14,136.76x = 21,195.06 × 5,364.28
  4. Step 4: Simplify right side
    14,136.76x = 113,696,236.46
  5. Step 5: Solve for x
    x = 113,696,236.46/14,136.76
  6. Step 6: Final answer
    x = 8,042.60

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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.