Home / 19,341.90-29,005.65-5,486.22

Finding the Fourth Proportional to 19,341.90, 29,005.65 and 5,486.22

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Solution

The fourth proportional to 19,341.90, 29,005.65 and 5,486.22 is: 8,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.90 : 29,005.65 = 5,486.22 : x
  2. Step 2: Convert to fraction form
    19,341.90/29,005.65 = 5,486.22/x
  3. Step 3: Cross multiply
    19,341.90x = 29,005.65 × 5,486.22
  4. Step 4: Simplify right side
    19,341.90x = 159,131,377.14
  5. Step 5: Solve for x
    x = 159,131,377.14/19,341.90
  6. Step 6: Final answer
    x = 8,227.29

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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.