Home / 25,801.90-35,603.23-15,189.42

Finding the Fourth Proportional to 25,801.90, 35,603.23 and 15,189.42

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Solution

The fourth proportional to 25,801.90, 35,603.23 and 15,189.42 is: 20,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.90 : 35,603.23 = 15,189.42 : x
  2. Step 2: Convert to fraction form
    25,801.90/35,603.23 = 15,189.42/x
  3. Step 3: Cross multiply
    25,801.90x = 35,603.23 × 15,189.42
  4. Step 4: Simplify right side
    25,801.90x = 540,792,413.83
  5. Step 5: Solve for x
    x = 540,792,413.83/25,801.90
  6. Step 6: Final answer
    x = 20,959.40

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Half scale
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Double scale
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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.