Home / 19,673.12-29,451.36-11,858.24

Finding the Fourth Proportional to 19,673.12, 29,451.36 and 11,858.24

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Solution

The fourth proportional to 19,673.12, 29,451.36 and 11,858.24 is: 17,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.12 : 29,451.36 = 11,858.24 : x
  2. Step 2: Convert to fraction form
    19,673.12/29,451.36 = 11,858.24/x
  3. Step 3: Cross multiply
    19,673.12x = 29,451.36 × 11,858.24
  4. Step 4: Simplify right side
    19,673.12x = 349,241,295.21
  5. Step 5: Solve for x
    x = 349,241,295.21/19,673.12
  6. Step 6: Final answer
    x = 17,752.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.