Home / 25,107.08-34,648.14-13,777.70

Finding the Fourth Proportional to 25,107.08, 34,648.14 and 13,777.70

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Solution

The fourth proportional to 25,107.08, 34,648.14 and 13,777.70 is: 19,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.08 : 34,648.14 = 13,777.70 : x
  2. Step 2: Convert to fraction form
    25,107.08/34,648.14 = 13,777.70/x
  3. Step 3: Cross multiply
    25,107.08x = 34,648.14 × 13,777.70
  4. Step 4: Simplify right side
    25,107.08x = 477,371,678.48
  5. Step 5: Solve for x
    x = 477,371,678.48/25,107.08
  6. Step 6: Final answer
    x = 19,013.43

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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.