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Finding the Fourth Proportional to 14,410.21, 19,886.21 and 8,037.21

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Solution

The fourth proportional to 14,410.21, 19,886.21 and 8,037.21 is: 11,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.21 : 19,886.21 = 8,037.21 : x
  2. Step 2: Convert to fraction form
    14,410.21/19,886.21 = 8,037.21/x
  3. Step 3: Cross multiply
    14,410.21x = 19,886.21 × 8,037.21
  4. Step 4: Simplify right side
    14,410.21x = 159,829,506.26
  5. Step 5: Solve for x
    x = 159,829,506.26/14,410.21
  6. Step 6: Final answer
    x = 11,091.41

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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.