Home / 18,979.18-26,190.18-10,596.22

Finding the Fourth Proportional to 18,979.18, 26,190.18 and 10,596.22

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Solution

The fourth proportional to 18,979.18, 26,190.18 and 10,596.22 is: 14,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.18 : 26,190.18 = 10,596.22 : x
  2. Step 2: Convert to fraction form
    18,979.18/26,190.18 = 10,596.22/x
  3. Step 3: Cross multiply
    18,979.18x = 26,190.18 × 10,596.22
  4. Step 4: Simplify right side
    18,979.18x = 277,516,909.12
  5. Step 5: Solve for x
    x = 277,516,909.12/18,979.18
  6. Step 6: Final answer
    x = 14,622.18

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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.