Home / 25,410.20-35,065.05-14,079.86

Finding the Fourth Proportional to 25,410.20, 35,065.05 and 14,079.86

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Solution

The fourth proportional to 25,410.20, 35,065.05 and 14,079.86 is: 19,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.20 : 35,065.05 = 14,079.86 : x
  2. Step 2: Convert to fraction form
    25,410.20/35,065.05 = 14,079.86/x
  3. Step 3: Cross multiply
    25,410.20x = 35,065.05 × 14,079.86
  4. Step 4: Simplify right side
    25,410.20x = 493,710,819.57
  5. Step 5: Solve for x
    x = 493,710,819.57/25,410.20
  6. Step 6: Final answer
    x = 19,429.64

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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.