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Finding the Fourth Proportional to 14,322.76, 19,765.40 and 8,037.16

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Solution

The fourth proportional to 14,322.76, 19,765.40 and 8,037.16 is: 11,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.76 : 19,765.40 = 8,037.16 : x
  2. Step 2: Convert to fraction form
    14,322.76/19,765.40 = 8,037.16/x
  3. Step 3: Cross multiply
    14,322.76x = 19,765.40 × 8,037.16
  4. Step 4: Simplify right side
    14,322.76x = 158,857,682.26
  5. Step 5: Solve for x
    x = 158,857,682.26/14,322.76
  6. Step 6: Final answer
    x = 11,091.28

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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.