Home / 25,078.20-34,611.60-14,465.76

Finding the Fourth Proportional to 25,078.20, 34,611.60 and 14,465.76

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Solution

The fourth proportional to 25,078.20, 34,611.60 and 14,465.76 is: 19,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.20 : 34,611.60 = 14,465.76 : x
  2. Step 2: Convert to fraction form
    25,078.20/34,611.60 = 14,465.76/x
  3. Step 3: Cross multiply
    25,078.20x = 34,611.60 × 14,465.76
  4. Step 4: Simplify right side
    25,078.20x = 500,683,098.82
  5. Step 5: Solve for x
    x = 500,683,098.82/25,078.20
  6. Step 6: Final answer
    x = 19,964.87

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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.