Home / 14,124.42-21,191.49-6,338.70

Finding the Fourth Proportional to 14,124.42, 21,191.49 and 6,338.70

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Solution

The fourth proportional to 14,124.42, 21,191.49 and 6,338.70 is: 9,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.42 : 21,191.49 = 6,338.70 : x
  2. Step 2: Convert to fraction form
    14,124.42/21,191.49 = 6,338.70/x
  3. Step 3: Cross multiply
    14,124.42x = 21,191.49 × 6,338.70
  4. Step 4: Simplify right side
    14,124.42x = 134,326,497.66
  5. Step 5: Solve for x
    x = 134,326,497.66/14,124.42
  6. Step 6: Final answer
    x = 9,510.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.