Home / 13,931.93-20,902.23-4,572.02

Finding the Fourth Proportional to 13,931.93, 20,902.23 and 4,572.02

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Solution

The fourth proportional to 13,931.93, 20,902.23 and 4,572.02 is: 6,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.93 : 20,902.23 = 4,572.02 : x
  2. Step 2: Convert to fraction form
    13,931.93/20,902.23 = 4,572.02/x
  3. Step 3: Cross multiply
    13,931.93x = 20,902.23 × 4,572.02
  4. Step 4: Simplify right side
    13,931.93x = 95,565,413.60
  5. Step 5: Solve for x
    x = 95,565,413.60/13,931.93
  6. Step 6: Final answer
    x = 6,859.45

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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.