Home / 23,043.23-31,790.96-13,480.07

Finding the Fourth Proportional to 23,043.23, 31,790.96 and 13,480.07

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Solution

The fourth proportional to 23,043.23, 31,790.96 and 13,480.07 is: 18,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,043.23 : 31,790.96 = 13,480.07 : x
  2. Step 2: Convert to fraction form
    23,043.23/31,790.96 = 13,480.07/x
  3. Step 3: Cross multiply
    23,043.23x = 31,790.96 × 13,480.07
  4. Step 4: Simplify right side
    23,043.23x = 428,544,366.17
  5. Step 5: Solve for x
    x = 428,544,366.17/23,043.23
  6. Step 6: Final answer
    x = 18,597.41

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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.