Home / 14,671.64-20,246.31-8,699.73

Finding the Fourth Proportional to 14,671.64, 20,246.31 and 8,699.73

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Solution

The fourth proportional to 14,671.64, 20,246.31 and 8,699.73 is: 12,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.64 : 20,246.31 = 8,699.73 : x
  2. Step 2: Convert to fraction form
    14,671.64/20,246.31 = 8,699.73/x
  3. Step 3: Cross multiply
    14,671.64x = 20,246.31 × 8,699.73
  4. Step 4: Simplify right side
    14,671.64x = 176,137,430.50
  5. Step 5: Solve for x
    x = 176,137,430.50/14,671.64
  6. Step 6: Final answer
    x = 12,005.30

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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.