Home / 20,609.58-28,442.33-13,053.14

Finding the Fourth Proportional to 20,609.58, 28,442.33 and 13,053.14

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Solution

The fourth proportional to 20,609.58, 28,442.33 and 13,053.14 is: 18,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609.58 : 28,442.33 = 13,053.14 : x
  2. Step 2: Convert to fraction form
    20,609.58/28,442.33 = 13,053.14/x
  3. Step 3: Cross multiply
    20,609.58x = 28,442.33 × 13,053.14
  4. Step 4: Simplify right side
    20,609.58x = 371,261,715.42
  5. Step 5: Solve for x
    x = 371,261,715.42/20,609.58
  6. Step 6: Final answer
    x = 18,014.04

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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.