Home / 25,616.96-38,336.16-17,727.68

Finding the Fourth Proportional to 25,616.96, 38,336.16 and 17,727.68

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Solution

The fourth proportional to 25,616.96, 38,336.16 and 17,727.68 is: 26,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.96 : 38,336.16 = 17,727.68 : x
  2. Step 2: Convert to fraction form
    25,616.96/38,336.16 = 17,727.68/x
  3. Step 3: Cross multiply
    25,616.96x = 38,336.16 × 17,727.68
  4. Step 4: Simplify right side
    25,616.96x = 679,611,176.91
  5. Step 5: Solve for x
    x = 679,611,176.91/25,616.96
  6. Step 6: Final answer
    x = 26,529.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.