Home / 21,024.88-29,014.56-11,464.69

Finding the Fourth Proportional to 21,024.88, 29,014.56 and 11,464.69

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Solution

The fourth proportional to 21,024.88, 29,014.56 and 11,464.69 is: 15,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.88 : 29,014.56 = 11,464.69 : x
  2. Step 2: Convert to fraction form
    21,024.88/29,014.56 = 11,464.69/x
  3. Step 3: Cross multiply
    21,024.88x = 29,014.56 × 11,464.69
  4. Step 4: Simplify right side
    21,024.88x = 332,642,935.89
  5. Step 5: Solve for x
    x = 332,642,935.89/21,024.88
  6. Step 6: Final answer
    x = 15,821.40

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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.