Home / 23,125.80-31,913.64-13,054.68

Finding the Fourth Proportional to 23,125.80, 31,913.64 and 13,054.68

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Solution

The fourth proportional to 23,125.80, 31,913.64 and 13,054.68 is: 18,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.80 : 31,913.64 = 13,054.68 : x
  2. Step 2: Convert to fraction form
    23,125.80/31,913.64 = 13,054.68/x
  3. Step 3: Cross multiply
    23,125.80x = 31,913.64 × 13,054.68
  4. Step 4: Simplify right side
    23,125.80x = 416,622,357.84
  5. Step 5: Solve for x
    x = 416,622,357.84/23,125.80
  6. Step 6: Final answer
    x = 18,015.48

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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.