Home / 13,295.64-18,330.92-10,896.78

Finding the Fourth Proportional to 13,295.64, 18,330.92 and 10,896.78

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Solution

The fourth proportional to 13,295.64, 18,330.92 and 10,896.78 is: 15,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.64 : 18,330.92 = 10,896.78 : x
  2. Step 2: Convert to fraction form
    13,295.64/18,330.92 = 10,896.78/x
  3. Step 3: Cross multiply
    13,295.64x = 18,330.92 × 10,896.78
  4. Step 4: Simplify right side
    13,295.64x = 199,748,002.44
  5. Step 5: Solve for x
    x = 199,748,002.44/13,295.64
  6. Step 6: Final answer
    x = 15,023.57

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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.