Home / 18,611.09-25,667.92-12,632.93

Finding the Fourth Proportional to 18,611.09, 25,667.92 and 12,632.93

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Solution

The fourth proportional to 18,611.09, 25,667.92 and 12,632.93 is: 17,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611.09 : 25,667.92 = 12,632.93 : x
  2. Step 2: Convert to fraction form
    18,611.09/25,667.92 = 12,632.93/x
  3. Step 3: Cross multiply
    18,611.09x = 25,667.92 × 12,632.93
  4. Step 4: Simplify right side
    18,611.09x = 324,261,036.61
  5. Step 5: Solve for x
    x = 324,261,036.61/18,611.09
  6. Step 6: Final answer
    x = 17,423.00

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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.