Home / 22,583.83-31,163.16-12,509.75

Finding the Fourth Proportional to 22,583.83, 31,163.16 and 12,509.75

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Solution

The fourth proportional to 22,583.83, 31,163.16 and 12,509.75 is: 17,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,583.83 : 31,163.16 = 12,509.75 : x
  2. Step 2: Convert to fraction form
    22,583.83/31,163.16 = 12,509.75/x
  3. Step 3: Cross multiply
    22,583.83x = 31,163.16 × 12,509.75
  4. Step 4: Simplify right side
    22,583.83x = 389,843,278.26
  5. Step 5: Solve for x
    x = 389,843,278.26/22,583.83
  6. Step 6: Final answer
    x = 17,262.05

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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.