Home / 21,034.22-29,012.00-14,307.92

Finding the Fourth Proportional to 21,034.22, 29,012.00 and 14,307.92

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Solution

The fourth proportional to 21,034.22, 29,012.00 and 14,307.92 is: 19,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.22 : 29,012.00 = 14,307.92 : x
  2. Step 2: Convert to fraction form
    21,034.22/29,012.00 = 14,307.92/x
  3. Step 3: Cross multiply
    21,034.22x = 29,012.00 × 14,307.92
  4. Step 4: Simplify right side
    21,034.22x = 415,101,158.44
  5. Step 5: Solve for x
    x = 415,101,158.44/21,034.22
  6. Step 6: Final answer
    x = 19,734.56

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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.