Home / 13,958.46-19,261.98-7,671.06

Finding the Fourth Proportional to 13,958.46, 19,261.98 and 7,671.06

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Solution

The fourth proportional to 13,958.46, 19,261.98 and 7,671.06 is: 10,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.46 : 19,261.98 = 7,671.06 : x
  2. Step 2: Convert to fraction form
    13,958.46/19,261.98 = 7,671.06/x
  3. Step 3: Cross multiply
    13,958.46x = 19,261.98 × 7,671.06
  4. Step 4: Simplify right side
    13,958.46x = 147,759,804.30
  5. Step 5: Solve for x
    x = 147,759,804.30/13,958.46
  6. Step 6: Final answer
    x = 10,585.68

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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.