Home / 14,968.72-20,657.75-8,254.32

Finding the Fourth Proportional to 14,968.72, 20,657.75 and 8,254.32

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Solution

The fourth proportional to 14,968.72, 20,657.75 and 8,254.32 is: 11,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.72 : 20,657.75 = 8,254.32 : x
  2. Step 2: Convert to fraction form
    14,968.72/20,657.75 = 8,254.32/x
  3. Step 3: Cross multiply
    14,968.72x = 20,657.75 × 8,254.32
  4. Step 4: Simplify right side
    14,968.72x = 170,515,678.98
  5. Step 5: Solve for x
    x = 170,515,678.98/14,968.72
  6. Step 6: Final answer
    x = 11,391.47

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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.