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Finding the Fourth Proportional to 14,412.03, 19,886.90 and 8,753.91

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Solution

The fourth proportional to 14,412.03, 19,886.90 and 8,753.91 is: 12,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.03 : 19,886.90 = 8,753.91 : x
  2. Step 2: Convert to fraction form
    14,412.03/19,886.90 = 8,753.91/x
  3. Step 3: Cross multiply
    14,412.03x = 19,886.90 × 8,753.91
  4. Step 4: Simplify right side
    14,412.03x = 174,088,089.01
  5. Step 5: Solve for x
    x = 174,088,089.01/14,412.03
  6. Step 6: Final answer
    x = 12,079.36

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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.