Home / 13,240.44-18,269.04-7,933.32

Finding the Fourth Proportional to 13,240.44, 18,269.04 and 7,933.32

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Solution

The fourth proportional to 13,240.44, 18,269.04 and 7,933.32 is: 10,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.44 : 18,269.04 = 7,933.32 : x
  2. Step 2: Convert to fraction form
    13,240.44/18,269.04 = 7,933.32/x
  3. Step 3: Cross multiply
    13,240.44x = 18,269.04 × 7,933.32
  4. Step 4: Simplify right side
    13,240.44x = 144,934,140.41
  5. Step 5: Solve for x
    x = 144,934,140.41/13,240.44
  6. Step 6: Final answer
    x = 10,946.32

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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.