Home / 13,963.40-19,269.56-7,676.18

Finding the Fourth Proportional to 13,963.40, 19,269.56 and 7,676.18

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Solution

The fourth proportional to 13,963.40, 19,269.56 and 7,676.18 is: 10,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.40 : 19,269.56 = 7,676.18 : x
  2. Step 2: Convert to fraction form
    13,963.40/19,269.56 = 7,676.18/x
  3. Step 3: Cross multiply
    13,963.40x = 19,269.56 × 7,676.18
  4. Step 4: Simplify right side
    13,963.40x = 147,916,476.35
  5. Step 5: Solve for x
    x = 147,916,476.35/13,963.40
  6. Step 6: Final answer
    x = 10,593.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.