Home / 14,242.36-19,652.98-8,275.28

Finding the Fourth Proportional to 14,242.36, 19,652.98 and 8,275.28

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Solution

The fourth proportional to 14,242.36, 19,652.98 and 8,275.28 is: 11,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.36 : 19,652.98 = 8,275.28 : x
  2. Step 2: Convert to fraction form
    14,242.36/19,652.98 = 8,275.28/x
  3. Step 3: Cross multiply
    14,242.36x = 19,652.98 × 8,275.28
  4. Step 4: Simplify right side
    14,242.36x = 162,633,912.33
  5. Step 5: Solve for x
    x = 162,633,912.33/14,242.36
  6. Step 6: Final answer
    x = 11,419.03

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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.