Home / 14,840.74-20,480.68-8,127.00

Finding the Fourth Proportional to 14,840.74, 20,480.68 and 8,127.00

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Solution

The fourth proportional to 14,840.74, 20,480.68 and 8,127.00 is: 11,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.74 : 20,480.68 = 8,127.00 : x
  2. Step 2: Convert to fraction form
    14,840.74/20,480.68 = 8,127.00/x
  3. Step 3: Cross multiply
    14,840.74x = 20,480.68 × 8,127.00
  4. Step 4: Simplify right side
    14,840.74x = 166,446,596.18
  5. Step 5: Solve for x
    x = 166,446,596.18/14,840.74
  6. Step 6: Final answer
    x = 11,215.52

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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.