Home / 25,955.25-38,937.74-12,104.25

Finding the Fourth Proportional to 25,955.25, 38,937.74 and 12,104.25

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Solution

The fourth proportional to 25,955.25, 38,937.74 and 12,104.25 is: 18,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.25 : 38,937.74 = 12,104.25 : x
  2. Step 2: Convert to fraction form
    25,955.25/38,937.74 = 12,104.25/x
  3. Step 3: Cross multiply
    25,955.25x = 38,937.74 × 12,104.25
  4. Step 4: Simplify right side
    25,955.25x = 471,312,078.87
  5. Step 5: Solve for x
    x = 471,312,078.87/25,955.25
  6. Step 6: Final answer
    x = 18,158.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.