Home / 25,215.84-37,772.73-12,718.44

Finding the Fourth Proportional to 25,215.84, 37,772.73 and 12,718.44

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Solution

The fourth proportional to 25,215.84, 37,772.73 and 12,718.44 is: 19,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.84 : 37,772.73 = 12,718.44 : x
  2. Step 2: Convert to fraction form
    25,215.84/37,772.73 = 12,718.44/x
  3. Step 3: Cross multiply
    25,215.84x = 37,772.73 × 12,718.44
  4. Step 4: Simplify right side
    25,215.84x = 480,410,200.14
  5. Step 5: Solve for x
    x = 480,410,200.14/25,215.84
  6. Step 6: Final answer
    x = 19,051.92

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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.