Home / 13,256.93-18,293.04-7,288.25

Finding the Fourth Proportional to 13,256.93, 18,293.04 and 7,288.25

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Solution

The fourth proportional to 13,256.93, 18,293.04 and 7,288.25 is: 10,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.93 : 18,293.04 = 7,288.25 : x
  2. Step 2: Convert to fraction form
    13,256.93/18,293.04 = 7,288.25/x
  3. Step 3: Cross multiply
    13,256.93x = 18,293.04 × 7,288.25
  4. Step 4: Simplify right side
    13,256.93x = 133,324,157.31
  5. Step 5: Solve for x
    x = 133,324,157.31/13,256.93
  6. Step 6: Final answer
    x = 10,056.94

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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.