Home / 13,015.92-19,512.14-4,690.07

Finding the Fourth Proportional to 13,015.92, 19,512.14 and 4,690.07

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Solution

The fourth proportional to 13,015.92, 19,512.14 and 4,690.07 is: 7,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.92 : 19,512.14 = 4,690.07 : x
  2. Step 2: Convert to fraction form
    13,015.92/19,512.14 = 4,690.07/x
  3. Step 3: Cross multiply
    13,015.92x = 19,512.14 × 4,690.07
  4. Step 4: Simplify right side
    13,015.92x = 91,513,181.44
  5. Step 5: Solve for x
    x = 91,513,181.44/13,015.92
  6. Step 6: Final answer
    x = 7,030.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.