Home / 15,413.18-23,114.30-5,549.81

Finding the Fourth Proportional to 15,413.18, 23,114.30 and 5,549.81

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Solution

The fourth proportional to 15,413.18, 23,114.30 and 5,549.81 is: 8,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.18 : 23,114.30 = 5,549.81 : x
  2. Step 2: Convert to fraction form
    15,413.18/23,114.30 = 5,549.81/x
  3. Step 3: Cross multiply
    15,413.18x = 23,114.30 × 5,549.81
  4. Step 4: Simplify right side
    15,413.18x = 128,279,829.96
  5. Step 5: Solve for x
    x = 128,279,829.96/15,413.18
  6. Step 6: Final answer
    x = 8,322.74

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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.