Home / 12,926.34-19,391.67-4,611.15

Finding the Fourth Proportional to 12,926.34, 19,391.67 and 4,611.15

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Solution

The fourth proportional to 12,926.34, 19,391.67 and 4,611.15 is: 6,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.34 : 19,391.67 = 4,611.15 : x
  2. Step 2: Convert to fraction form
    12,926.34/19,391.67 = 4,611.15/x
  3. Step 3: Cross multiply
    12,926.34x = 19,391.67 × 4,611.15
  4. Step 4: Simplify right side
    12,926.34x = 89,417,899.12
  5. Step 5: Solve for x
    x = 89,417,899.12/12,926.34
  6. Step 6: Final answer
    x = 6,917.50

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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.