Home / 19,158.62-26,439.89-10,660.77

Finding the Fourth Proportional to 19,158.62, 26,439.89 and 10,660.77

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Solution

The fourth proportional to 19,158.62, 26,439.89 and 10,660.77 is: 14,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.62 : 26,439.89 = 10,660.77 : x
  2. Step 2: Convert to fraction form
    19,158.62/26,439.89 = 10,660.77/x
  3. Step 3: Cross multiply
    19,158.62x = 26,439.89 × 10,660.77
  4. Step 4: Simplify right side
    19,158.62x = 281,869,532.81
  5. Step 5: Solve for x
    x = 281,869,532.81/19,158.62
  6. Step 6: Final answer
    x = 14,712.42

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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.