Home / 18,583.86-25,624.11-12,619.38

Finding the Fourth Proportional to 18,583.86, 25,624.11 and 12,619.38

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Solution

The fourth proportional to 18,583.86, 25,624.11 and 12,619.38 is: 17,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.86 : 25,624.11 = 12,619.38 : x
  2. Step 2: Convert to fraction form
    18,583.86/25,624.11 = 12,619.38/x
  3. Step 3: Cross multiply
    18,583.86x = 25,624.11 × 12,619.38
  4. Step 4: Simplify right side
    18,583.86x = 323,360,381.25
  5. Step 5: Solve for x
    x = 323,360,381.25/18,583.86
  6. Step 6: Final answer
    x = 17,400.07

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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.