Home / 13,295.36-19,944.72-5,509.68

Finding the Fourth Proportional to 13,295.36, 19,944.72 and 5,509.68

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Solution

The fourth proportional to 13,295.36, 19,944.72 and 5,509.68 is: 8,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.36 : 19,944.72 = 5,509.68 : x
  2. Step 2: Convert to fraction form
    13,295.36/19,944.72 = 5,509.68/x
  3. Step 3: Cross multiply
    13,295.36x = 19,944.72 × 5,509.68
  4. Step 4: Simplify right side
    13,295.36x = 109,889,024.89
  5. Step 5: Solve for x
    x = 109,889,024.89/13,295.36
  6. Step 6: Final answer
    x = 8,265.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.