Home / 19,329.40-26,672.46-11,374.20

Finding the Fourth Proportional to 19,329.40, 26,672.46 and 11,374.20

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Solution

The fourth proportional to 19,329.40, 26,672.46 and 11,374.20 is: 15,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.40 : 26,672.46 = 11,374.20 : x
  2. Step 2: Convert to fraction form
    19,329.40/26,672.46 = 11,374.20/x
  3. Step 3: Cross multiply
    19,329.40x = 26,672.46 × 11,374.20
  4. Step 4: Simplify right side
    19,329.40x = 303,377,894.53
  5. Step 5: Solve for x
    x = 303,377,894.53/19,329.40
  6. Step 6: Final answer
    x = 15,695.15

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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.