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Finding the Fourth Proportional to 14,020.96, 19,348.98 and 7,733.32

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Solution

The fourth proportional to 14,020.96, 19,348.98 and 7,733.32 is: 10,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.96 : 19,348.98 = 7,733.32 : x
  2. Step 2: Convert to fraction form
    14,020.96/19,348.98 = 7,733.32/x
  3. Step 3: Cross multiply
    14,020.96x = 19,348.98 × 7,733.32
  4. Step 4: Simplify right side
    14,020.96x = 149,631,854.01
  5. Step 5: Solve for x
    x = 149,631,854.01/14,020.96
  6. Step 6: Final answer
    x = 10,672.01

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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.