Home / 12,715.57-19,084.29-11,064.39

Finding the Fourth Proportional to 12,715.57, 19,084.29 and 11,064.39

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Solution

The fourth proportional to 12,715.57, 19,084.29 and 11,064.39 is: 16,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.57 : 19,084.29 = 11,064.39 : x
  2. Step 2: Convert to fraction form
    12,715.57/19,084.29 = 11,064.39/x
  3. Step 3: Cross multiply
    12,715.57x = 19,084.29 × 11,064.39
  4. Step 4: Simplify right side
    12,715.57x = 211,156,027.43
  5. Step 5: Solve for x
    x = 211,156,027.43/12,715.57
  6. Step 6: Final answer
    x = 16,606.10

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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.