Home / 14,968.36-20,656.48-8,254.22

Finding the Fourth Proportional to 14,968.36, 20,656.48 and 8,254.22

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Solution

The fourth proportional to 14,968.36, 20,656.48 and 8,254.22 is: 11,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.36 : 20,656.48 = 8,254.22 : x
  2. Step 2: Convert to fraction form
    14,968.36/20,656.48 = 8,254.22/x
  3. Step 3: Cross multiply
    14,968.36x = 20,656.48 × 8,254.22
  4. Step 4: Simplify right side
    14,968.36x = 170,503,130.35
  5. Step 5: Solve for x
    x = 170,503,130.35/14,968.36
  6. Step 6: Final answer
    x = 11,390.90

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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.