Home / 14,009.05-19,325.89-8,340.57

Finding the Fourth Proportional to 14,009.05, 19,325.89 and 8,340.57

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Solution

The fourth proportional to 14,009.05, 19,325.89 and 8,340.57 is: 11,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.05 : 19,325.89 = 8,340.57 : x
  2. Step 2: Convert to fraction form
    14,009.05/19,325.89 = 8,340.57/x
  3. Step 3: Cross multiply
    14,009.05x = 19,325.89 × 8,340.57
  4. Step 4: Simplify right side
    14,009.05x = 161,188,948.78
  5. Step 5: Solve for x
    x = 161,188,948.78/14,009.05
  6. Step 6: Final answer
    x = 11,506.06

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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.