Home / 15,979.24-22,054.98-10,380.52

Finding the Fourth Proportional to 15,979.24, 22,054.98 and 10,380.52

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Solution

The fourth proportional to 15,979.24, 22,054.98 and 10,380.52 is: 14,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.24 : 22,054.98 = 10,380.52 : x
  2. Step 2: Convert to fraction form
    15,979.24/22,054.98 = 10,380.52/x
  3. Step 3: Cross multiply
    15,979.24x = 22,054.98 × 10,380.52
  4. Step 4: Simplify right side
    15,979.24x = 228,942,160.99
  5. Step 5: Solve for x
    x = 228,942,160.99/15,979.24
  6. Step 6: Final answer
    x = 14,327.47

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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.