Home / 22,356.16-33,558.84-18,889.04

Finding the Fourth Proportional to 22,356.16, 33,558.84 and 18,889.04

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Solution

The fourth proportional to 22,356.16, 33,558.84 and 18,889.04 is: 28,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.16 : 33,558.84 = 18,889.04 : x
  2. Step 2: Convert to fraction form
    22,356.16/33,558.84 = 18,889.04/x
  3. Step 3: Cross multiply
    22,356.16x = 33,558.84 × 18,889.04
  4. Step 4: Simplify right side
    22,356.16x = 633,894,271.11
  5. Step 5: Solve for x
    x = 633,894,271.11/22,356.16
  6. Step 6: Final answer
    x = 28,354.34

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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.