Home / 13,952.53-19,247.34-8,911.45

Finding the Fourth Proportional to 13,952.53, 19,247.34 and 8,911.45

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Solution

The fourth proportional to 13,952.53, 19,247.34 and 8,911.45 is: 12,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.53 : 19,247.34 = 8,911.45 : x
  2. Step 2: Convert to fraction form
    13,952.53/19,247.34 = 8,911.45/x
  3. Step 3: Cross multiply
    13,952.53x = 19,247.34 × 8,911.45
  4. Step 4: Simplify right side
    13,952.53x = 171,521,708.04
  5. Step 5: Solve for x
    x = 171,521,708.04/13,952.53
  6. Step 6: Final answer
    x = 12,293.23

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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.