Home / 14,011.20-19,334.64-8,706.48

Finding the Fourth Proportional to 14,011.20, 19,334.64 and 8,706.48

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Solution

The fourth proportional to 14,011.20, 19,334.64 and 8,706.48 is: 12,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.20 : 19,334.64 = 8,706.48 : x
  2. Step 2: Convert to fraction form
    14,011.20/19,334.64 = 8,706.48/x
  3. Step 3: Cross multiply
    14,011.20x = 19,334.64 × 8,706.48
  4. Step 4: Simplify right side
    14,011.20x = 168,336,656.47
  5. Step 5: Solve for x
    x = 168,336,656.47/14,011.20
  6. Step 6: Final answer
    x = 12,014.44

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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.