Home / 14,479.22-19,983.47-9,174.53

Finding the Fourth Proportional to 14,479.22, 19,983.47 and 9,174.53

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Solution

The fourth proportional to 14,479.22, 19,983.47 and 9,174.53 is: 12,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.22 : 19,983.47 = 9,174.53 : x
  2. Step 2: Convert to fraction form
    14,479.22/19,983.47 = 9,174.53/x
  3. Step 3: Cross multiply
    14,479.22x = 19,983.47 × 9,174.53
  4. Step 4: Simplify right side
    14,479.22x = 183,338,799.23
  5. Step 5: Solve for x
    x = 183,338,799.23/14,479.22
  6. Step 6: Final answer
    x = 12,662.21

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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.