Home / 25,485.60-38,250.27-12,346.59

Finding the Fourth Proportional to 25,485.60, 38,250.27 and 12,346.59

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Solution

The fourth proportional to 25,485.60, 38,250.27 and 12,346.59 is: 18,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.60 : 38,250.27 = 12,346.59 : x
  2. Step 2: Convert to fraction form
    25,485.60/38,250.27 = 12,346.59/x
  3. Step 3: Cross multiply
    25,485.60x = 38,250.27 × 12,346.59
  4. Step 4: Simplify right side
    25,485.60x = 472,260,401.08
  5. Step 5: Solve for x
    x = 472,260,401.08/25,485.60
  6. Step 6: Final answer
    x = 18,530.48

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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.