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Finding the Fourth Proportional to 14,009.24, 20,904.58 and 12,767.24

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Solution

The fourth proportional to 14,009.24, 20,904.58 and 12,767.24 is: 19,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.24 : 20,904.58 = 12,767.24 : x
  2. Step 2: Convert to fraction form
    14,009.24/20,904.58 = 12,767.24/x
  3. Step 3: Cross multiply
    14,009.24x = 20,904.58 × 12,767.24
  4. Step 4: Simplify right side
    14,009.24x = 266,893,789.96
  5. Step 5: Solve for x
    x = 266,893,789.96/14,009.24
  6. Step 6: Final answer
    x = 19,051.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.