Home / 15,589.02-21,506.00-9,297.75

Finding the Fourth Proportional to 15,589.02, 21,506.00 and 9,297.75

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Solution

The fourth proportional to 15,589.02, 21,506.00 and 9,297.75 is: 12,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.02 : 21,506.00 = 9,297.75 : x
  2. Step 2: Convert to fraction form
    15,589.02/21,506.00 = 9,297.75/x
  3. Step 3: Cross multiply
    15,589.02x = 21,506.00 × 9,297.75
  4. Step 4: Simplify right side
    15,589.02x = 199,957,365.01
  5. Step 5: Solve for x
    x = 199,957,365.01/15,589.02
  6. Step 6: Final answer
    x = 12,826.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.