Home / 13,093.87-18,068.58-7,429.81

Finding the Fourth Proportional to 13,093.87, 18,068.58 and 7,429.81

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Solution

The fourth proportional to 13,093.87, 18,068.58 and 7,429.81 is: 10,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.87 : 18,068.58 = 7,429.81 : x
  2. Step 2: Convert to fraction form
    13,093.87/18,068.58 = 7,429.81/x
  3. Step 3: Cross multiply
    13,093.87x = 18,068.58 × 7,429.81
  4. Step 4: Simplify right side
    13,093.87x = 134,246,116.37
  5. Step 5: Solve for x
    x = 134,246,116.37/13,093.87
  6. Step 6: Final answer
    x = 10,252.59

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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.