Home / 13,941.18-19,230.07-8,271.91

Finding the Fourth Proportional to 13,941.18, 19,230.07 and 8,271.91

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Solution

The fourth proportional to 13,941.18, 19,230.07 and 8,271.91 is: 11,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.18 : 19,230.07 = 8,271.91 : x
  2. Step 2: Convert to fraction form
    13,941.18/19,230.07 = 8,271.91/x
  3. Step 3: Cross multiply
    13,941.18x = 19,230.07 × 8,271.91
  4. Step 4: Simplify right side
    13,941.18x = 159,069,408.33
  5. Step 5: Solve for x
    x = 159,069,408.33/13,941.18
  6. Step 6: Final answer
    x = 11,410.04

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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.