Home / 23,029.53-34,621.29-18,900.15

Finding the Fourth Proportional to 23,029.53, 34,621.29 and 18,900.15

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Solution

The fourth proportional to 23,029.53, 34,621.29 and 18,900.15 is: 28,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,029.53 : 34,621.29 = 18,900.15 : x
  2. Step 2: Convert to fraction form
    23,029.53/34,621.29 = 18,900.15/x
  3. Step 3: Cross multiply
    23,029.53x = 34,621.29 × 18,900.15
  4. Step 4: Simplify right side
    23,029.53x = 654,347,574.19
  5. Step 5: Solve for x
    x = 654,347,574.19/23,029.53
  6. Step 6: Final answer
    x = 28,413.41

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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.