Home / 13,963.72-19,271.14-7,677.32

Finding the Fourth Proportional to 13,963.72, 19,271.14 and 7,677.32

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Solution

The fourth proportional to 13,963.72, 19,271.14 and 7,677.32 is: 10,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.72 : 19,271.14 = 7,677.32 : x
  2. Step 2: Convert to fraction form
    13,963.72/19,271.14 = 7,677.32/x
  3. Step 3: Cross multiply
    13,963.72x = 19,271.14 × 7,677.32
  4. Step 4: Simplify right side
    13,963.72x = 147,950,708.54
  5. Step 5: Solve for x
    x = 147,950,708.54/13,963.72
  6. Step 6: Final answer
    x = 10,595.36

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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.