Home / 13,867.62-20,808.63-10,601.70

Finding the Fourth Proportional to 13,867.62, 20,808.63 and 10,601.70

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Solution

The fourth proportional to 13,867.62, 20,808.63 and 10,601.70 is: 15,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.62 : 20,808.63 = 10,601.70 : x
  2. Step 2: Convert to fraction form
    13,867.62/20,808.63 = 10,601.70/x
  3. Step 3: Cross multiply
    13,867.62x = 20,808.63 × 10,601.70
  4. Step 4: Simplify right side
    13,867.62x = 220,606,852.67
  5. Step 5: Solve for x
    x = 220,606,852.67/13,867.62
  6. Step 6: Final answer
    x = 15,908.05

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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.