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Finding the Fourth Proportional to 14,466.74, 19,959.65 and 9,429.11

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Solution

The fourth proportional to 14,466.74, 19,959.65 and 9,429.11 is: 13,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,466.74 : 19,959.65 = 9,429.11 : x
  2. Step 2: Convert to fraction form
    14,466.74/19,959.65 = 9,429.11/x
  3. Step 3: Cross multiply
    14,466.74x = 19,959.65 × 9,429.11
  4. Step 4: Simplify right side
    14,466.74x = 188,201,698.68
  5. Step 5: Solve for x
    x = 188,201,698.68/14,466.74
  6. Step 6: Final answer
    x = 13,009.27

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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.