Home / 14,266.40-21,399.60-10,111.10

Finding the Fourth Proportional to 14,266.40, 21,399.60 and 10,111.10

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Solution

The fourth proportional to 14,266.40, 21,399.60 and 10,111.10 is: 15,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.40 : 21,399.60 = 10,111.10 : x
  2. Step 2: Convert to fraction form
    14,266.40/21,399.60 = 10,111.10/x
  3. Step 3: Cross multiply
    14,266.40x = 21,399.60 × 10,111.10
  4. Step 4: Simplify right side
    14,266.40x = 216,373,495.56
  5. Step 5: Solve for x
    x = 216,373,495.56/14,266.40
  6. Step 6: Final answer
    x = 15,166.65

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Similar ratio
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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.