Home / 18,741.34-25,861.98-10,357.84

Finding the Fourth Proportional to 18,741.34, 25,861.98 and 10,357.84

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Solution

The fourth proportional to 18,741.34, 25,861.98 and 10,357.84 is: 14,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.34 : 25,861.98 = 10,357.84 : x
  2. Step 2: Convert to fraction form
    18,741.34/25,861.98 = 10,357.84/x
  3. Step 3: Cross multiply
    18,741.34x = 25,861.98 × 10,357.84
  4. Step 4: Simplify right side
    18,741.34x = 267,874,250.92
  5. Step 5: Solve for x
    x = 267,874,250.92/18,741.34
  6. Step 6: Final answer
    x = 14,293.23

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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.