Home / 25,413.16-38,154.64-12,941.56

Finding the Fourth Proportional to 25,413.16, 38,154.64 and 12,941.56

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Solution

The fourth proportional to 25,413.16, 38,154.64 and 12,941.56 is: 19,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,413.16 : 38,154.64 = 12,941.56 : x
  2. Step 2: Convert to fraction form
    25,413.16/38,154.64 = 12,941.56/x
  3. Step 3: Cross multiply
    25,413.16x = 38,154.64 × 12,941.56
  4. Step 4: Simplify right side
    25,413.16x = 493,780,562.84
  5. Step 5: Solve for x
    x = 493,780,562.84/25,413.16
  6. Step 6: Final answer
    x = 19,430.11

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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.