Home / 13,919.04-19,208.88-7,952.04

Finding the Fourth Proportional to 13,919.04, 19,208.88 and 7,952.04

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Solution

The fourth proportional to 13,919.04, 19,208.88 and 7,952.04 is: 10,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.04 : 19,208.88 = 7,952.04 : x
  2. Step 2: Convert to fraction form
    13,919.04/19,208.88 = 7,952.04/x
  3. Step 3: Cross multiply
    13,919.04x = 19,208.88 × 7,952.04
  4. Step 4: Simplify right side
    13,919.04x = 152,749,782.12
  5. Step 5: Solve for x
    x = 152,749,782.12/13,919.04
  6. Step 6: Final answer
    x = 10,974.16

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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.