Home / 18,533.32-25,550.55-11,723.95

Finding the Fourth Proportional to 18,533.32, 25,550.55 and 11,723.95

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Solution

The fourth proportional to 18,533.32, 25,550.55 and 11,723.95 is: 16,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.32 : 25,550.55 = 11,723.95 : x
  2. Step 2: Convert to fraction form
    18,533.32/25,550.55 = 11,723.95/x
  3. Step 3: Cross multiply
    18,533.32x = 25,550.55 × 11,723.95
  4. Step 4: Simplify right side
    18,533.32x = 299,553,402.61
  5. Step 5: Solve for x
    x = 299,553,402.61/18,533.32
  6. Step 6: Final answer
    x = 16,162.97

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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.