Home / 14,275.38-21,416.07-4,916.25

Finding the Fourth Proportional to 14,275.38, 21,416.07 and 4,916.25

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Solution

The fourth proportional to 14,275.38, 21,416.07 and 4,916.25 is: 7,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.38 : 21,416.07 = 4,916.25 : x
  2. Step 2: Convert to fraction form
    14,275.38/21,416.07 = 4,916.25/x
  3. Step 3: Cross multiply
    14,275.38x = 21,416.07 × 4,916.25
  4. Step 4: Simplify right side
    14,275.38x = 105,286,754.14
  5. Step 5: Solve for x
    x = 105,286,754.14/14,275.38
  6. Step 6: Final answer
    x = 7,375.41

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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.