Home / 25,107.32-34,647.74-13,622.06

Finding the Fourth Proportional to 25,107.32, 34,647.74 and 13,622.06

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Solution

The fourth proportional to 25,107.32, 34,647.74 and 13,622.06 is: 18,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.32 : 34,647.74 = 13,622.06 : x
  2. Step 2: Convert to fraction form
    25,107.32/34,647.74 = 13,622.06/x
  3. Step 3: Cross multiply
    25,107.32x = 34,647.74 × 13,622.06
  4. Step 4: Simplify right side
    25,107.32x = 471,973,593.14
  5. Step 5: Solve for x
    x = 471,973,593.14/25,107.32
  6. Step 6: Final answer
    x = 18,798.25

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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.