Home / 25,438.86-35,105.40-14,260.86

Finding the Fourth Proportional to 25,438.86, 35,105.40 and 14,260.86

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Solution

The fourth proportional to 25,438.86, 35,105.40 and 14,260.86 is: 19,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.86 : 35,105.40 = 14,260.86 : x
  2. Step 2: Convert to fraction form
    25,438.86/35,105.40 = 14,260.86/x
  3. Step 3: Cross multiply
    25,438.86x = 35,105.40 × 14,260.86
  4. Step 4: Simplify right side
    25,438.86x = 500,633,194.64
  5. Step 5: Solve for x
    x = 500,633,194.64/25,438.86
  6. Step 6: Final answer
    x = 19,679.86

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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.