Home / 14,910.52-20,578.98-11,367.04

Finding the Fourth Proportional to 14,910.52, 20,578.98 and 11,367.04

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Solution

The fourth proportional to 14,910.52, 20,578.98 and 11,367.04 is: 15,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.52 : 20,578.98 = 11,367.04 : x
  2. Step 2: Convert to fraction form
    14,910.52/20,578.98 = 11,367.04/x
  3. Step 3: Cross multiply
    14,910.52x = 20,578.98 × 11,367.04
  4. Step 4: Simplify right side
    14,910.52x = 233,922,088.82
  5. Step 5: Solve for x
    x = 233,922,088.82/14,910.52
  6. Step 6: Final answer
    x = 15,688.39

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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.