Home / 23,169.11-31,973.13-12,960.01

Finding the Fourth Proportional to 23,169.11, 31,973.13 and 12,960.01

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Solution

The fourth proportional to 23,169.11, 31,973.13 and 12,960.01 is: 17,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.11 : 31,973.13 = 12,960.01 : x
  2. Step 2: Convert to fraction form
    23,169.11/31,973.13 = 12,960.01/x
  3. Step 3: Cross multiply
    23,169.11x = 31,973.13 × 12,960.01
  4. Step 4: Simplify right side
    23,169.11x = 414,372,124.50
  5. Step 5: Solve for x
    x = 414,372,124.50/23,169.11
  6. Step 6: Final answer
    x = 17,884.68

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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.