Home / 18,506.33-25,522.58-13,118.10

Finding the Fourth Proportional to 18,506.33, 25,522.58 and 13,118.10

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Solution

The fourth proportional to 18,506.33, 25,522.58 and 13,118.10 is: 18,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.33 : 25,522.58 = 13,118.10 : x
  2. Step 2: Convert to fraction form
    18,506.33/25,522.58 = 13,118.10/x
  3. Step 3: Cross multiply
    18,506.33x = 25,522.58 × 13,118.10
  4. Step 4: Simplify right side
    18,506.33x = 334,807,691.11
  5. Step 5: Solve for x
    x = 334,807,691.11/18,506.33
  6. Step 6: Final answer
    x = 18,091.53

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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.