Home / 14,291.75-21,433.07-13,358.87

Finding the Fourth Proportional to 14,291.75, 21,433.07 and 13,358.87

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Solution

The fourth proportional to 14,291.75, 21,433.07 and 13,358.87 is: 20,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.75 : 21,433.07 = 13,358.87 : x
  2. Step 2: Convert to fraction form
    14,291.75/21,433.07 = 13,358.87/x
  3. Step 3: Cross multiply
    14,291.75x = 21,433.07 × 13,358.87
  4. Step 4: Simplify right side
    14,291.75x = 286,321,421.87
  5. Step 5: Solve for x
    x = 286,321,421.87/14,291.75
  6. Step 6: Final answer
    x = 20,034.04

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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.