Home / 18,522.05-25,558.81-10,455.26

Finding the Fourth Proportional to 18,522.05, 25,558.81 and 10,455.26

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Solution

The fourth proportional to 18,522.05, 25,558.81 and 10,455.26 is: 14,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.05 : 25,558.81 = 10,455.26 : x
  2. Step 2: Convert to fraction form
    18,522.05/25,558.81 = 10,455.26/x
  3. Step 3: Cross multiply
    18,522.05x = 25,558.81 × 10,455.26
  4. Step 4: Simplify right side
    18,522.05x = 267,223,849.91
  5. Step 5: Solve for x
    x = 267,223,849.91/18,522.05
  6. Step 6: Final answer
    x = 14,427.34

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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.