Home / 13,922.20-19,212.29-7,548.52

Finding the Fourth Proportional to 13,922.20, 19,212.29 and 7,548.52

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Solution

The fourth proportional to 13,922.20, 19,212.29 and 7,548.52 is: 10,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.20 : 19,212.29 = 7,548.52 : x
  2. Step 2: Convert to fraction form
    13,922.20/19,212.29 = 7,548.52/x
  3. Step 3: Cross multiply
    13,922.20x = 19,212.29 × 7,548.52
  4. Step 4: Simplify right side
    13,922.20x = 145,024,279.83
  5. Step 5: Solve for x
    x = 145,024,279.83/13,922.20
  6. Step 6: Final answer
    x = 10,416.76

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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.