Home / 13,953.63-19,253.37-8,649.75

Finding the Fourth Proportional to 13,953.63, 19,253.37 and 8,649.75

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Solution

The fourth proportional to 13,953.63, 19,253.37 and 8,649.75 is: 11,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.63 : 19,253.37 = 8,649.75 : x
  2. Step 2: Convert to fraction form
    13,953.63/19,253.37 = 8,649.75/x
  3. Step 3: Cross multiply
    13,953.63x = 19,253.37 × 8,649.75
  4. Step 4: Simplify right side
    13,953.63x = 166,536,837.16
  5. Step 5: Solve for x
    x = 166,536,837.16/13,953.63
  6. Step 6: Final answer
    x = 11,935.02

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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.