Home / 14,362.28-21,554.94-7,438.76

Finding the Fourth Proportional to 14,362.28, 21,554.94 and 7,438.76

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Solution

The fourth proportional to 14,362.28, 21,554.94 and 7,438.76 is: 11,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.28 : 21,554.94 = 7,438.76 : x
  2. Step 2: Convert to fraction form
    14,362.28/21,554.94 = 7,438.76/x
  3. Step 3: Cross multiply
    14,362.28x = 21,554.94 × 7,438.76
  4. Step 4: Simplify right side
    14,362.28x = 160,342,025.47
  5. Step 5: Solve for x
    x = 160,342,025.47/14,362.28
  6. Step 6: Final answer
    x = 11,164.11

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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.