Home / 23,125.11-31,904.87-15,055.08

Finding the Fourth Proportional to 23,125.11, 31,904.87 and 15,055.08

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Solution

The fourth proportional to 23,125.11, 31,904.87 and 15,055.08 is: 20,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.11 : 31,904.87 = 15,055.08 : x
  2. Step 2: Convert to fraction form
    23,125.11/31,904.87 = 15,055.08/x
  3. Step 3: Cross multiply
    23,125.11x = 31,904.87 × 15,055.08
  4. Step 4: Simplify right side
    23,125.11x = 480,330,374.73
  5. Step 5: Solve for x
    x = 480,330,374.73/23,125.11
  6. Step 6: Final answer
    x = 20,770.94

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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.