Home / 27,418.50-41,129.21-8,699.99

Finding the Fourth Proportional to 27,418.50, 41,129.21 and 8,699.99

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Solution

The fourth proportional to 27,418.50, 41,129.21 and 8,699.99 is: 13,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.50 : 41,129.21 = 8,699.99 : x
  2. Step 2: Convert to fraction form
    27,418.50/41,129.21 = 8,699.99/x
  3. Step 3: Cross multiply
    27,418.50x = 41,129.21 × 8,699.99
  4. Step 4: Simplify right side
    27,418.50x = 357,823,875.51
  5. Step 5: Solve for x
    x = 357,823,875.51/27,418.50
  6. Step 6: Final answer
    x = 13,050.45

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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.