Home / 27,406.24-37,820.64-14,831

Finding the Fourth Proportional to 27,406.24, 37,820.64 and 14,831

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Solution

The fourth proportional to 27,406.24, 37,820.64 and 14,831 is: 20,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.24 : 37,820.64 = 14,831 : x
  2. Step 2: Convert to fraction form
    27,406.24/37,820.64 = 14,831/x
  3. Step 3: Cross multiply
    27,406.24x = 37,820.64 × 14,831
  4. Step 4: Simplify right side
    27,406.24x = 560,917,911.84
  5. Step 5: Solve for x
    x = 560,917,911.84/27,406.24
  6. Step 6: Final answer
    x = 20,466.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.