Home / 14,253.56-19,664.34-8,284.16

Finding the Fourth Proportional to 14,253.56, 19,664.34 and 8,284.16

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Solution

The fourth proportional to 14,253.56, 19,664.34 and 8,284.16 is: 11,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.56 : 19,664.34 = 8,284.16 : x
  2. Step 2: Convert to fraction form
    14,253.56/19,664.34 = 8,284.16/x
  3. Step 3: Cross multiply
    14,253.56x = 19,664.34 × 8,284.16
  4. Step 4: Simplify right side
    14,253.56x = 162,902,538.85
  5. Step 5: Solve for x
    x = 162,902,538.85/14,253.56
  6. Step 6: Final answer
    x = 11,428.90

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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.