Home / 27,188.04-40,783.38-9,660.48

Finding the Fourth Proportional to 27,188.04, 40,783.38 and 9,660.48

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Solution

The fourth proportional to 27,188.04, 40,783.38 and 9,660.48 is: 14,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.04 : 40,783.38 = 9,660.48 : x
  2. Step 2: Convert to fraction form
    27,188.04/40,783.38 = 9,660.48/x
  3. Step 3: Cross multiply
    27,188.04x = 40,783.38 × 9,660.48
  4. Step 4: Simplify right side
    27,188.04x = 393,987,026.82
  5. Step 5: Solve for x
    x = 393,987,026.82/27,188.04
  6. Step 6: Final answer
    x = 14,491.19

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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.