Home / 25,603.52-38,413.20-13,132.40

Finding the Fourth Proportional to 25,603.52, 38,413.20 and 13,132.40

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Solution

The fourth proportional to 25,603.52, 38,413.20 and 13,132.40 is: 19,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.52 : 38,413.20 = 13,132.40 : x
  2. Step 2: Convert to fraction form
    25,603.52/38,413.20 = 13,132.40/x
  3. Step 3: Cross multiply
    25,603.52x = 38,413.20 × 13,132.40
  4. Step 4: Simplify right side
    25,603.52x = 504,457,507.68
  5. Step 5: Solve for x
    x = 504,457,507.68/25,603.52
  6. Step 6: Final answer
    x = 19,702.66

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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.