Home / 25,603.11-35,322.53-18,904.82

Finding the Fourth Proportional to 25,603.11, 35,322.53 and 18,904.82

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Solution

The fourth proportional to 25,603.11, 35,322.53 and 18,904.82 is: 26,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.11 : 35,322.53 = 18,904.82 : x
  2. Step 2: Convert to fraction form
    25,603.11/35,322.53 = 18,904.82/x
  3. Step 3: Cross multiply
    25,603.11x = 35,322.53 × 18,904.82
  4. Step 4: Simplify right side
    25,603.11x = 667,765,800.46
  5. Step 5: Solve for x
    x = 667,765,800.46/25,603.11
  6. Step 6: Final answer
    x = 26,081.43

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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.