Home / 18,740.14-25,860.60-10,242.06

Finding the Fourth Proportional to 18,740.14, 25,860.60 and 10,242.06

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Solution

The fourth proportional to 18,740.14, 25,860.60 and 10,242.06 is: 14,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.14 : 25,860.60 = 10,242.06 : x
  2. Step 2: Convert to fraction form
    18,740.14/25,860.60 = 10,242.06/x
  3. Step 3: Cross multiply
    18,740.14x = 25,860.60 × 10,242.06
  4. Step 4: Simplify right side
    18,740.14x = 264,865,816.84
  5. Step 5: Solve for x
    x = 264,865,816.84/18,740.14
  6. Step 6: Final answer
    x = 14,133.61

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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.