Home / 25,102.84-34,642.56-13,772.82

Finding the Fourth Proportional to 25,102.84, 34,642.56 and 13,772.82

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Solution

The fourth proportional to 25,102.84, 34,642.56 and 13,772.82 is: 19,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.84 : 34,642.56 = 13,772.82 : x
  2. Step 2: Convert to fraction form
    25,102.84/34,642.56 = 13,772.82/x
  3. Step 3: Cross multiply
    25,102.84x = 34,642.56 × 13,772.82
  4. Step 4: Simplify right side
    25,102.84x = 477,125,743.22
  5. Step 5: Solve for x
    x = 477,125,743.22/25,102.84
  6. Step 6: Final answer
    x = 19,006.84

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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.