Home / 15,800.48-23,700.72-5,413.04

Finding the Fourth Proportional to 15,800.48, 23,700.72 and 5,413.04

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Solution

The fourth proportional to 15,800.48, 23,700.72 and 5,413.04 is: 8,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.48 : 23,700.72 = 5,413.04 : x
  2. Step 2: Convert to fraction form
    15,800.48/23,700.72 = 5,413.04/x
  3. Step 3: Cross multiply
    15,800.48x = 23,700.72 × 5,413.04
  4. Step 4: Simplify right side
    15,800.48x = 128,292,945.39
  5. Step 5: Solve for x
    x = 128,292,945.39/15,800.48
  6. Step 6: Final answer
    x = 8,119.56

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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.