Home / 13,150.14-19,686.93-6,895.32

Finding the Fourth Proportional to 13,150.14, 19,686.93 and 6,895.32

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Solution

The fourth proportional to 13,150.14, 19,686.93 and 6,895.32 is: 10,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.14 : 19,686.93 = 6,895.32 : x
  2. Step 2: Convert to fraction form
    13,150.14/19,686.93 = 6,895.32/x
  3. Step 3: Cross multiply
    13,150.14x = 19,686.93 × 6,895.32
  4. Step 4: Simplify right side
    13,150.14x = 135,747,682.17
  5. Step 5: Solve for x
    x = 135,747,682.17/13,150.14
  6. Step 6: Final answer
    x = 10,322.91

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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.