Home / 25,603.11-38,378.31-9,804.42

Finding the Fourth Proportional to 25,603.11, 38,378.31 and 9,804.42

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Solution

The fourth proportional to 25,603.11, 38,378.31 and 9,804.42 is: 14,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.11 : 38,378.31 = 9,804.42 : x
  2. Step 2: Convert to fraction form
    25,603.11/38,378.31 = 9,804.42/x
  3. Step 3: Cross multiply
    25,603.11x = 38,378.31 × 9,804.42
  4. Step 4: Simplify right side
    25,603.11x = 376,277,070.13
  5. Step 5: Solve for x
    x = 376,277,070.13/25,603.11
  6. Step 6: Final answer
    x = 14,696.54

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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.