Home / 18,117.99-24,979.68-11,733.30

Finding the Fourth Proportional to 18,117.99, 24,979.68 and 11,733.30

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Solution

The fourth proportional to 18,117.99, 24,979.68 and 11,733.30 is: 16,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.99 : 24,979.68 = 11,733.30 : x
  2. Step 2: Convert to fraction form
    18,117.99/24,979.68 = 11,733.30/x
  3. Step 3: Cross multiply
    18,117.99x = 24,979.68 × 11,733.30
  4. Step 4: Simplify right side
    18,117.99x = 293,094,079.34
  5. Step 5: Solve for x
    x = 293,094,079.34/18,117.99
  6. Step 6: Final answer
    x = 16,176.96

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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.