Home / 14,245.01-19,659.26-7,872.16

Finding the Fourth Proportional to 14,245.01, 19,659.26 and 7,872.16

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Solution

The fourth proportional to 14,245.01, 19,659.26 and 7,872.16 is: 10,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.01 : 19,659.26 = 7,872.16 : x
  2. Step 2: Convert to fraction form
    14,245.01/19,659.26 = 7,872.16/x
  3. Step 3: Cross multiply
    14,245.01x = 19,659.26 × 7,872.16
  4. Step 4: Simplify right side
    14,245.01x = 154,760,840.20
  5. Step 5: Solve for x
    x = 154,760,840.20/14,245.01
  6. Step 6: Final answer
    x = 10,864.21

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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.