Home / 23,140.02-31,933.23-12,529.65

Finding the Fourth Proportional to 23,140.02, 31,933.23 and 12,529.65

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Solution

The fourth proportional to 23,140.02, 31,933.23 and 12,529.65 is: 17,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.02 : 31,933.23 = 12,529.65 : x
  2. Step 2: Convert to fraction form
    23,140.02/31,933.23 = 12,529.65/x
  3. Step 3: Cross multiply
    23,140.02x = 31,933.23 × 12,529.65
  4. Step 4: Simplify right side
    23,140.02x = 400,112,195.27
  5. Step 5: Solve for x
    x = 400,112,195.27/23,140.02
  6. Step 6: Final answer
    x = 17,290.92

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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.