Home / 23,140.23-31,933.53-12,529.86

Finding the Fourth Proportional to 23,140.23, 31,933.53 and 12,529.86

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Solution

The fourth proportional to 23,140.23, 31,933.53 and 12,529.86 is: 17,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.23 : 31,933.53 = 12,529.86 : x
  2. Step 2: Convert to fraction form
    23,140.23/31,933.53 = 12,529.86/x
  3. Step 3: Cross multiply
    23,140.23x = 31,933.53 × 12,529.86
  4. Step 4: Simplify right side
    23,140.23x = 400,122,660.21
  5. Step 5: Solve for x
    x = 400,122,660.21/23,140.23
  6. Step 6: Final answer
    x = 17,291.21

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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.