Home / 13,316.73-18,374.94-7,573.57

Finding the Fourth Proportional to 13,316.73, 18,374.94 and 7,573.57

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Solution

The fourth proportional to 13,316.73, 18,374.94 and 7,573.57 is: 10,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.73 : 18,374.94 = 7,573.57 : x
  2. Step 2: Convert to fraction form
    13,316.73/18,374.94 = 7,573.57/x
  3. Step 3: Cross multiply
    13,316.73x = 18,374.94 × 7,573.57
  4. Step 4: Simplify right side
    13,316.73x = 139,163,894.34
  5. Step 5: Solve for x
    x = 139,163,894.34/13,316.73
  6. Step 6: Final answer
    x = 10,450.31

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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.