Home / 13,298.56-18,351.30-7,329.04

Finding the Fourth Proportional to 13,298.56, 18,351.30 and 7,329.04

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Solution

The fourth proportional to 13,298.56, 18,351.30 and 7,329.04 is: 10,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.56 : 18,351.30 = 7,329.04 : x
  2. Step 2: Convert to fraction form
    13,298.56/18,351.30 = 7,329.04/x
  3. Step 3: Cross multiply
    13,298.56x = 18,351.30 × 7,329.04
  4. Step 4: Simplify right side
    13,298.56x = 134,497,411.75
  5. Step 5: Solve for x
    x = 134,497,411.75/13,298.56
  6. Step 6: Final answer
    x = 10,113.68

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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.