Home / 23,775.45-32,844.30-18,989.11

Finding the Fourth Proportional to 23,775.45, 32,844.30 and 18,989.11

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Solution

The fourth proportional to 23,775.45, 32,844.30 and 18,989.11 is: 26,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,775.45 : 32,844.30 = 18,989.11 : x
  2. Step 2: Convert to fraction form
    23,775.45/32,844.30 = 18,989.11/x
  3. Step 3: Cross multiply
    23,775.45x = 32,844.30 × 18,989.11
  4. Step 4: Simplify right side
    23,775.45x = 623,684,154.91
  5. Step 5: Solve for x
    x = 623,684,154.91/23,775.45
  6. Step 6: Final answer
    x = 26,232.27

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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.