Home / 18,521.56-25,558.14-10,454.77

Finding the Fourth Proportional to 18,521.56, 25,558.14 and 10,454.77

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Solution

The fourth proportional to 18,521.56, 25,558.14 and 10,454.77 is: 14,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.56 : 25,558.14 = 10,454.77 : x
  2. Step 2: Convert to fraction form
    18,521.56/25,558.14 = 10,454.77/x
  3. Step 3: Cross multiply
    18,521.56x = 25,558.14 × 10,454.77
  4. Step 4: Simplify right side
    18,521.56x = 267,204,475.33
  5. Step 5: Solve for x
    x = 267,204,475.33/18,521.56
  6. Step 6: Final answer
    x = 14,426.67

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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.