Home / 13,960.16-19,282.12-10,439.04

Finding the Fourth Proportional to 13,960.16, 19,282.12 and 10,439.04

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Solution

The fourth proportional to 13,960.16, 19,282.12 and 10,439.04 is: 14,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.16 : 19,282.12 = 10,439.04 : x
  2. Step 2: Convert to fraction form
    13,960.16/19,282.12 = 10,439.04/x
  3. Step 3: Cross multiply
    13,960.16x = 19,282.12 × 10,439.04
  4. Step 4: Simplify right side
    13,960.16x = 201,286,821.96
  5. Step 5: Solve for x
    x = 201,286,821.96/13,960.16
  6. Step 6: Final answer
    x = 14,418.66

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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.