Home / 14,283.56-19,712.22-7,997.96

Finding the Fourth Proportional to 14,283.56, 19,712.22 and 7,997.96

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Solution

The fourth proportional to 14,283.56, 19,712.22 and 7,997.96 is: 11,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.56 : 19,712.22 = 7,997.96 : x
  2. Step 2: Convert to fraction form
    14,283.56/19,712.22 = 7,997.96/x
  3. Step 3: Cross multiply
    14,283.56x = 19,712.22 × 7,997.96
  4. Step 4: Simplify right side
    14,283.56x = 157,657,547.07
  5. Step 5: Solve for x
    x = 157,657,547.07/14,283.56
  6. Step 6: Final answer
    x = 11,037.69

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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.