Home / 13,941.12-19,247.04-8,353.92

Finding the Fourth Proportional to 13,941.12, 19,247.04 and 8,353.92

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Solution

The fourth proportional to 13,941.12, 19,247.04 and 8,353.92 is: 11,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.12 : 19,247.04 = 8,353.92 : x
  2. Step 2: Convert to fraction form
    13,941.12/19,247.04 = 8,353.92/x
  3. Step 3: Cross multiply
    13,941.12x = 19,247.04 × 8,353.92
  4. Step 4: Simplify right side
    13,941.12x = 160,788,232.40
  5. Step 5: Solve for x
    x = 160,788,232.40/13,941.12
  6. Step 6: Final answer
    x = 11,533.38

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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.