Home / 14,014.54-19,329.12-8,979.23

Finding the Fourth Proportional to 14,014.54, 19,329.12 and 8,979.23

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Solution

The fourth proportional to 14,014.54, 19,329.12 and 8,979.23 is: 12,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.54 : 19,329.12 = 8,979.23 : x
  2. Step 2: Convert to fraction form
    14,014.54/19,329.12 = 8,979.23/x
  3. Step 3: Cross multiply
    14,014.54x = 19,329.12 × 8,979.23
  4. Step 4: Simplify right side
    14,014.54x = 173,560,614.18
  5. Step 5: Solve for x
    x = 173,560,614.18/14,014.54
  6. Step 6: Final answer
    x = 12,384.32

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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.