Home / 14,400.51-19,872.06-8,027.79

Finding the Fourth Proportional to 14,400.51, 19,872.06 and 8,027.79

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Solution

The fourth proportional to 14,400.51, 19,872.06 and 8,027.79 is: 11,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.51 : 19,872.06 = 8,027.79 : x
  2. Step 2: Convert to fraction form
    14,400.51/19,872.06 = 8,027.79/x
  3. Step 3: Cross multiply
    14,400.51x = 19,872.06 × 8,027.79
  4. Step 4: Simplify right side
    14,400.51x = 159,528,724.55
  5. Step 5: Solve for x
    x = 159,528,724.55/14,400.51
  6. Step 6: Final answer
    x = 11,077.99

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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.