Home / 14,969.04-20,656.88-8,254.44

Finding the Fourth Proportional to 14,969.04, 20,656.88 and 8,254.44

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Solution

The fourth proportional to 14,969.04, 20,656.88 and 8,254.44 is: 11,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.04 : 20,656.88 = 8,254.44 : x
  2. Step 2: Convert to fraction form
    14,969.04/20,656.88 = 8,254.44/x
  3. Step 3: Cross multiply
    14,969.04x = 20,656.88 × 8,254.44
  4. Step 4: Simplify right side
    14,969.04x = 170,510,976.55
  5. Step 5: Solve for x
    x = 170,510,976.55/14,969.04
  6. Step 6: Final answer
    x = 11,390.91

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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.