Home / 14,673.15-21,957.10-12,705.57

Finding the Fourth Proportional to 14,673.15, 21,957.10 and 12,705.57

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Solution

The fourth proportional to 14,673.15, 21,957.10 and 12,705.57 is: 19,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.15 : 21,957.10 = 12,705.57 : x
  2. Step 2: Convert to fraction form
    14,673.15/21,957.10 = 12,705.57/x
  3. Step 3: Cross multiply
    14,673.15x = 21,957.10 × 12,705.57
  4. Step 4: Simplify right side
    14,673.15x = 278,977,439.28
  5. Step 5: Solve for x
    x = 278,977,439.28/14,673.15
  6. Step 6: Final answer
    x = 19,012.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.