Home / 13,065.36-18,029.88-7,096.90

Finding the Fourth Proportional to 13,065.36, 18,029.88 and 7,096.90

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Solution

The fourth proportional to 13,065.36, 18,029.88 and 7,096.90 is: 9,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.36 : 18,029.88 = 7,096.90 : x
  2. Step 2: Convert to fraction form
    13,065.36/18,029.88 = 7,096.90/x
  3. Step 3: Cross multiply
    13,065.36x = 18,029.88 × 7,096.90
  4. Step 4: Simplify right side
    13,065.36x = 127,956,255.37
  5. Step 5: Solve for x
    x = 127,956,255.37/13,065.36
  6. Step 6: Final answer
    x = 9,793.55

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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.