Home / 18,743.16-25,847.88-12,030.84

Finding the Fourth Proportional to 18,743.16, 25,847.88 and 12,030.84

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Solution

The fourth proportional to 18,743.16, 25,847.88 and 12,030.84 is: 16,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.16 : 25,847.88 = 12,030.84 : x
  2. Step 2: Convert to fraction form
    18,743.16/25,847.88 = 12,030.84/x
  3. Step 3: Cross multiply
    18,743.16x = 25,847.88 × 12,030.84
  4. Step 4: Simplify right side
    18,743.16x = 310,971,708.62
  5. Step 5: Solve for x
    x = 310,971,708.62/18,743.16
  6. Step 6: Final answer
    x = 16,591.21

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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.