Home / 23,140.26-31,933.56-12,529.98

Finding the Fourth Proportional to 23,140.26, 31,933.56 and 12,529.98

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Solution

The fourth proportional to 23,140.26, 31,933.56 and 12,529.98 is: 17,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.26 : 31,933.56 = 12,529.98 : x
  2. Step 2: Convert to fraction form
    23,140.26/31,933.56 = 12,529.98/x
  3. Step 3: Cross multiply
    23,140.26x = 31,933.56 × 12,529.98
  4. Step 4: Simplify right side
    23,140.26x = 400,126,868.13
  5. Step 5: Solve for x
    x = 400,126,868.13/23,140.26
  6. Step 6: Final answer
    x = 17,291.37

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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.