Home / 13,919.04-19,209.35-7,952.58

Finding the Fourth Proportional to 13,919.04, 19,209.35 and 7,952.58

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Solution

The fourth proportional to 13,919.04, 19,209.35 and 7,952.58 is: 10,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.04 : 19,209.35 = 7,952.58 : x
  2. Step 2: Convert to fraction form
    13,919.04/19,209.35 = 7,952.58/x
  3. Step 3: Cross multiply
    13,919.04x = 19,209.35 × 7,952.58
  4. Step 4: Simplify right side
    13,919.04x = 152,763,912.50
  5. Step 5: Solve for x
    x = 152,763,912.50/13,919.04
  6. Step 6: Final answer
    x = 10,975.18

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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.