Home / 13,145.04-19,725.42-5,246.16

Finding the Fourth Proportional to 13,145.04, 19,725.42 and 5,246.16

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Solution

The fourth proportional to 13,145.04, 19,725.42 and 5,246.16 is: 7,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145.04 : 19,725.42 = 5,246.16 : x
  2. Step 2: Convert to fraction form
    13,145.04/19,725.42 = 5,246.16/x
  3. Step 3: Cross multiply
    13,145.04x = 19,725.42 × 5,246.16
  4. Step 4: Simplify right side
    13,145.04x = 103,482,709.39
  5. Step 5: Solve for x
    x = 103,482,709.39/13,145.04
  6. Step 6: Final answer
    x = 7,872.38

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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.