Home / 18,611.15-25,685.61-10,655.93

Finding the Fourth Proportional to 18,611.15, 25,685.61 and 10,655.93

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Solution

The fourth proportional to 18,611.15, 25,685.61 and 10,655.93 is: 14,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611.15 : 25,685.61 = 10,655.93 : x
  2. Step 2: Convert to fraction form
    18,611.15/25,685.61 = 10,655.93/x
  3. Step 3: Cross multiply
    18,611.15x = 25,685.61 × 10,655.93
  4. Step 4: Simplify right side
    18,611.15x = 273,704,008.89
  5. Step 5: Solve for x
    x = 273,704,008.89/18,611.15
  6. Step 6: Final answer
    x = 14,706.45

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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.