Home / 21,051.30-29,022.88-17,452.67

Finding the Fourth Proportional to 21,051.30, 29,022.88 and 17,452.67

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Solution

The fourth proportional to 21,051.30, 29,022.88 and 17,452.67 is: 24,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.30 : 29,022.88 = 17,452.67 : x
  2. Step 2: Convert to fraction form
    21,051.30/29,022.88 = 17,452.67/x
  3. Step 3: Cross multiply
    21,051.30x = 29,022.88 × 17,452.67
  4. Step 4: Simplify right side
    21,051.30x = 506,526,747.09
  5. Step 5: Solve for x
    x = 506,526,747.09/21,051.30
  6. Step 6: Final answer
    x = 24,061.54

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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.