Home / 25,210.14-37,838.56-12,738.94

Finding the Fourth Proportional to 25,210.14, 37,838.56 and 12,738.94

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Solution

The fourth proportional to 25,210.14, 37,838.56 and 12,738.94 is: 19,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,210.14 : 37,838.56 = 12,738.94 : x
  2. Step 2: Convert to fraction form
    25,210.14/37,838.56 = 12,738.94/x
  3. Step 3: Cross multiply
    25,210.14x = 37,838.56 × 12,738.94
  4. Step 4: Simplify right side
    25,210.14x = 482,023,145.53
  5. Step 5: Solve for x
    x = 482,023,145.53/25,210.14
  6. Step 6: Final answer
    x = 19,120.21

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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.