Home / 23,169.50-31,973.73-12,558.86

Finding the Fourth Proportional to 23,169.50, 31,973.73 and 12,558.86

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Solution

The fourth proportional to 23,169.50, 31,973.73 and 12,558.86 is: 17,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.50 : 31,973.73 = 12,558.86 : x
  2. Step 2: Convert to fraction form
    23,169.50/31,973.73 = 12,558.86/x
  3. Step 3: Cross multiply
    23,169.50x = 31,973.73 × 12,558.86
  4. Step 4: Simplify right side
    23,169.50x = 401,553,598.75
  5. Step 5: Solve for x
    x = 401,553,598.75/23,169.50
  6. Step 6: Final answer
    x = 17,331.13

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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.