Home / 12,827.20-19,247.45-9,706.27

Finding the Fourth Proportional to 12,827.20, 19,247.45 and 9,706.27

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Solution

The fourth proportional to 12,827.20, 19,247.45 and 9,706.27 is: 14,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.20 : 19,247.45 = 9,706.27 : x
  2. Step 2: Convert to fraction form
    12,827.20/19,247.45 = 9,706.27/x
  3. Step 3: Cross multiply
    12,827.20x = 19,247.45 × 9,706.27
  4. Step 4: Simplify right side
    12,827.20x = 186,820,946.51
  5. Step 5: Solve for x
    x = 186,820,946.51/12,827.20
  6. Step 6: Final answer
    x = 14,564.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.