Home / 27,417.90-41,128.29-8,699.34

Finding the Fourth Proportional to 27,417.90, 41,128.29 and 8,699.34

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Solution

The fourth proportional to 27,417.90, 41,128.29 and 8,699.34 is: 13,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,417.90 : 41,128.29 = 8,699.34 : x
  2. Step 2: Convert to fraction form
    27,417.90/41,128.29 = 8,699.34/x
  3. Step 3: Cross multiply
    27,417.90x = 41,128.29 × 8,699.34
  4. Step 4: Simplify right side
    27,417.90x = 357,788,978.33
  5. Step 5: Solve for x
    x = 357,788,978.33/27,417.90
  6. Step 6: Final answer
    x = 13,049.47

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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.