Home / 13,296.95-18,349.20-7,627.76

Finding the Fourth Proportional to 13,296.95, 18,349.20 and 7,627.76

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Solution

The fourth proportional to 13,296.95, 18,349.20 and 7,627.76 is: 10,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.95 : 18,349.20 = 7,627.76 : x
  2. Step 2: Convert to fraction form
    13,296.95/18,349.20 = 7,627.76/x
  3. Step 3: Cross multiply
    13,296.95x = 18,349.20 × 7,627.76
  4. Step 4: Simplify right side
    13,296.95x = 139,963,293.79
  5. Step 5: Solve for x
    x = 139,963,293.79/13,296.95
  6. Step 6: Final answer
    x = 10,525.97

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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.