Home / 14,324.82-21,390.74-11,697.45

Finding the Fourth Proportional to 14,324.82, 21,390.74 and 11,697.45

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Solution

The fourth proportional to 14,324.82, 21,390.74 and 11,697.45 is: 17,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.82 : 21,390.74 = 11,697.45 : x
  2. Step 2: Convert to fraction form
    14,324.82/21,390.74 = 11,697.45/x
  3. Step 3: Cross multiply
    14,324.82x = 21,390.74 × 11,697.45
  4. Step 4: Simplify right side
    14,324.82x = 250,217,111.61
  5. Step 5: Solve for x
    x = 250,217,111.61/14,324.82
  6. Step 6: Final answer
    x = 17,467.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.