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Finding the Fourth Proportional to 14,427.50, 19,908.81 and 8,053.59

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Solution

The fourth proportional to 14,427.50, 19,908.81 and 8,053.59 is: 11,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.50 : 19,908.81 = 8,053.59 : x
  2. Step 2: Convert to fraction form
    14,427.50/19,908.81 = 8,053.59/x
  3. Step 3: Cross multiply
    14,427.50x = 19,908.81 × 8,053.59
  4. Step 4: Simplify right side
    14,427.50x = 160,337,393.13
  5. Step 5: Solve for x
    x = 160,337,393.13/14,427.50
  6. Step 6: Final answer
    x = 11,113.32

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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.