Home / 22,775.07-31,417.64-18,530.87

Finding the Fourth Proportional to 22,775.07, 31,417.64 and 18,530.87

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Solution

The fourth proportional to 22,775.07, 31,417.64 and 18,530.87 is: 25,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.07 : 31,417.64 = 18,530.87 : x
  2. Step 2: Convert to fraction form
    22,775.07/31,417.64 = 18,530.87/x
  3. Step 3: Cross multiply
    22,775.07x = 31,417.64 × 18,530.87
  4. Step 4: Simplify right side
    22,775.07x = 582,196,202.55
  5. Step 5: Solve for x
    x = 582,196,202.55/22,775.07
  6. Step 6: Final answer
    x = 25,562.87

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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.