Home / 13,295.89-18,348.45-7,327.77

Finding the Fourth Proportional to 13,295.89, 18,348.45 and 7,327.77

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Solution

The fourth proportional to 13,295.89, 18,348.45 and 7,327.77 is: 10,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.89 : 18,348.45 = 7,327.77 : x
  2. Step 2: Convert to fraction form
    13,295.89/18,348.45 = 7,327.77/x
  3. Step 3: Cross multiply
    13,295.89x = 18,348.45 × 7,327.77
  4. Step 4: Simplify right side
    13,295.89x = 134,453,221.46
  5. Step 5: Solve for x
    x = 134,453,221.46/13,295.89
  6. Step 6: Final answer
    x = 10,112.39

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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.