Home / 19,916.46-29,876.04-7,436.25

Finding the Fourth Proportional to 19,916.46, 29,876.04 and 7,436.25

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Solution

The fourth proportional to 19,916.46, 29,876.04 and 7,436.25 is: 11,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.46 : 29,876.04 = 7,436.25 : x
  2. Step 2: Convert to fraction form
    19,916.46/29,876.04 = 7,436.25/x
  3. Step 3: Cross multiply
    19,916.46x = 29,876.04 × 7,436.25
  4. Step 4: Simplify right side
    19,916.46x = 222,165,702.45
  5. Step 5: Solve for x
    x = 222,165,702.45/19,916.46
  6. Step 6: Final answer
    x = 11,154.88

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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.