Home / 13,963.95-19,270.03-7,676.19

Finding the Fourth Proportional to 13,963.95, 19,270.03 and 7,676.19

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Solution

The fourth proportional to 13,963.95, 19,270.03 and 7,676.19 is: 10,593.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.95 : 19,270.03 = 7,676.19 : x
  2. Step 2: Convert to fraction form
    13,963.95/19,270.03 = 7,676.19/x
  3. Step 3: Cross multiply
    13,963.95x = 19,270.03 × 7,676.19
  4. Step 4: Simplify right side
    13,963.95x = 147,920,411.59
  5. Step 5: Solve for x
    x = 147,920,411.59/13,963.95
  6. Step 6: Final answer
    x = 10,593.02

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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.