Home / 25,297.18-34,908.57-15,228.88

Finding the Fourth Proportional to 25,297.18, 34,908.57 and 15,228.88

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Solution

The fourth proportional to 25,297.18, 34,908.57 and 15,228.88 is: 21,014.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,297.18 : 34,908.57 = 15,228.88 : x
  2. Step 2: Convert to fraction form
    25,297.18/34,908.57 = 15,228.88/x
  3. Step 3: Cross multiply
    25,297.18x = 34,908.57 × 15,228.88
  4. Step 4: Simplify right side
    25,297.18x = 531,618,423.50
  5. Step 5: Solve for x
    x = 531,618,423.50/25,297.18
  6. Step 6: Final answer
    x = 21,014.93

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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.