Home / 19,590.25-29,385.31-7,110.26

Finding the Fourth Proportional to 19,590.25, 29,385.31 and 7,110.26

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Solution

The fourth proportional to 19,590.25, 29,385.31 and 7,110.26 is: 10,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.25 : 29,385.31 = 7,110.26 : x
  2. Step 2: Convert to fraction form
    19,590.25/29,385.31 = 7,110.26/x
  3. Step 3: Cross multiply
    19,590.25x = 29,385.31 × 7,110.26
  4. Step 4: Simplify right side
    19,590.25x = 208,937,194.28
  5. Step 5: Solve for x
    x = 208,937,194.28/19,590.25
  6. Step 6: Final answer
    x = 10,665.37

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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.