Home / 25,120.13-34,665.77-13,942.13

Finding the Fourth Proportional to 25,120.13, 34,665.77 and 13,942.13

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Solution

The fourth proportional to 25,120.13, 34,665.77 and 13,942.13 is: 19,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.13 : 34,665.77 = 13,942.13 : x
  2. Step 2: Convert to fraction form
    25,120.13/34,665.77 = 13,942.13/x
  3. Step 3: Cross multiply
    25,120.13x = 34,665.77 × 13,942.13
  4. Step 4: Simplify right side
    25,120.13x = 483,314,533.42
  5. Step 5: Solve for x
    x = 483,314,533.42/25,120.13
  6. Step 6: Final answer
    x = 19,240.13

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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.