Home / 18,656.10-25,743.78-10,589.67

Finding the Fourth Proportional to 18,656.10, 25,743.78 and 10,589.67

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Solution

The fourth proportional to 18,656.10, 25,743.78 and 10,589.67 is: 14,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.10 : 25,743.78 = 10,589.67 : x
  2. Step 2: Convert to fraction form
    18,656.10/25,743.78 = 10,589.67/x
  3. Step 3: Cross multiply
    18,656.10x = 25,743.78 × 10,589.67
  4. Step 4: Simplify right side
    18,656.10x = 272,618,134.75
  5. Step 5: Solve for x
    x = 272,618,134.75/18,656.10
  6. Step 6: Final answer
    x = 14,612.81

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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.