Home / 19,158.22-26,438.01-10,660.91

Finding the Fourth Proportional to 19,158.22, 26,438.01 and 10,660.91

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Solution

The fourth proportional to 19,158.22, 26,438.01 and 10,660.91 is: 14,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.22 : 26,438.01 = 10,660.91 : x
  2. Step 2: Convert to fraction form
    19,158.22/26,438.01 = 10,660.91/x
  3. Step 3: Cross multiply
    19,158.22x = 26,438.01 × 10,660.91
  4. Step 4: Simplify right side
    19,158.22x = 281,853,245.19
  5. Step 5: Solve for x
    x = 281,853,245.19/19,158.22
  6. Step 6: Final answer
    x = 14,711.87

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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.