Home / 25,603.72-38,410.77-10,812.58

Finding the Fourth Proportional to 25,603.72, 38,410.77 and 10,812.58

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Solution

The fourth proportional to 25,603.72, 38,410.77 and 10,812.58 is: 16,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.72 : 38,410.77 = 10,812.58 : x
  2. Step 2: Convert to fraction form
    25,603.72/38,410.77 = 10,812.58/x
  3. Step 3: Cross multiply
    25,603.72x = 38,410.77 × 10,812.58
  4. Step 4: Simplify right side
    25,603.72x = 415,319,523.49
  5. Step 5: Solve for x
    x = 415,319,523.49/25,603.72
  6. Step 6: Final answer
    x = 16,221.06

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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.