Home / 12,926.70-19,371.60-7,368.30

Finding the Fourth Proportional to 12,926.70, 19,371.60 and 7,368.30

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Solution

The fourth proportional to 12,926.70, 19,371.60 and 7,368.30 is: 11,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.70 : 19,371.60 = 7,368.30 : x
  2. Step 2: Convert to fraction form
    12,926.70/19,371.60 = 7,368.30/x
  3. Step 3: Cross multiply
    12,926.70x = 19,371.60 × 7,368.30
  4. Step 4: Simplify right side
    12,926.70x = 142,735,760.28
  5. Step 5: Solve for x
    x = 142,735,760.28/12,926.70
  6. Step 6: Final answer
    x = 11,041.93

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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.