Home / 23,157.69-34,708.07-13,170.81

Finding the Fourth Proportional to 23,157.69, 34,708.07 and 13,170.81

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Solution

The fourth proportional to 23,157.69, 34,708.07 and 13,170.81 is: 19,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.69 : 34,708.07 = 13,170.81 : x
  2. Step 2: Convert to fraction form
    23,157.69/34,708.07 = 13,170.81/x
  3. Step 3: Cross multiply
    23,157.69x = 34,708.07 × 13,170.81
  4. Step 4: Simplify right side
    23,157.69x = 457,133,329.58
  5. Step 5: Solve for x
    x = 457,133,329.58/23,157.69
  6. Step 6: Final answer
    x = 19,740.02

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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.