Home / 14,662.47-21,951.75-9,722.28

Finding the Fourth Proportional to 14,662.47, 21,951.75 and 9,722.28

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Solution

The fourth proportional to 14,662.47, 21,951.75 and 9,722.28 is: 14,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.47 : 21,951.75 = 9,722.28 : x
  2. Step 2: Convert to fraction form
    14,662.47/21,951.75 = 9,722.28/x
  3. Step 3: Cross multiply
    14,662.47x = 21,951.75 × 9,722.28
  4. Step 4: Simplify right side
    14,662.47x = 213,421,059.99
  5. Step 5: Solve for x
    x = 213,421,059.99/14,662.47
  6. Step 6: Final answer
    x = 14,555.60

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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.