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Finding the Fourth Proportional to 14,412.50, 19,886.21 and 8,750.22

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Solution

The fourth proportional to 14,412.50, 19,886.21 and 8,750.22 is: 12,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.50 : 19,886.21 = 8,750.22 : x
  2. Step 2: Convert to fraction form
    14,412.50/19,886.21 = 8,750.22/x
  3. Step 3: Cross multiply
    14,412.50x = 19,886.21 × 8,750.22
  4. Step 4: Simplify right side
    14,412.50x = 174,008,668.72
  5. Step 5: Solve for x
    x = 174,008,668.72/14,412.50
  6. Step 6: Final answer
    x = 12,073.46

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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.