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Finding the Fourth Proportional to 14,079.51, 19,421.94 and 9,044.47

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Solution

The fourth proportional to 14,079.51, 19,421.94 and 9,044.47 is: 12,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.51 : 19,421.94 = 9,044.47 : x
  2. Step 2: Convert to fraction form
    14,079.51/19,421.94 = 9,044.47/x
  3. Step 3: Cross multiply
    14,079.51x = 19,421.94 × 9,044.47
  4. Step 4: Simplify right side
    14,079.51x = 175,661,153.67
  5. Step 5: Solve for x
    x = 175,661,153.67/14,079.51
  6. Step 6: Final answer
    x = 12,476.37

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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.