Home / 13,065.10-18,029.54-7,096.64

Finding the Fourth Proportional to 13,065.10, 18,029.54 and 7,096.64

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Solution

The fourth proportional to 13,065.10, 18,029.54 and 7,096.64 is: 9,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.10 : 18,029.54 = 7,096.64 : x
  2. Step 2: Convert to fraction form
    13,065.10/18,029.54 = 7,096.64/x
  3. Step 3: Cross multiply
    13,065.10x = 18,029.54 × 7,096.64
  4. Step 4: Simplify right side
    13,065.10x = 127,949,172.49
  5. Step 5: Solve for x
    x = 127,949,172.49/13,065.10
  6. Step 6: Final answer
    x = 9,793.20

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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.