Home / 14,307.20-19,743.84-7,933.79

Finding the Fourth Proportional to 14,307.20, 19,743.84 and 7,933.79

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Solution

The fourth proportional to 14,307.20, 19,743.84 and 7,933.79 is: 10,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.20 : 19,743.84 = 7,933.79 : x
  2. Step 2: Convert to fraction form
    14,307.20/19,743.84 = 7,933.79/x
  3. Step 3: Cross multiply
    14,307.20x = 19,743.84 × 7,933.79
  4. Step 4: Simplify right side
    14,307.20x = 156,643,480.35
  5. Step 5: Solve for x
    x = 156,643,480.35/14,307.20
  6. Step 6: Final answer
    x = 10,948.58

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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.