Home / 13,181.16-19,774.40-4,861.23

Finding the Fourth Proportional to 13,181.16, 19,774.40 and 4,861.23

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Solution

The fourth proportional to 13,181.16, 19,774.40 and 4,861.23 is: 7,292.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.16 : 19,774.40 = 4,861.23 : x
  2. Step 2: Convert to fraction form
    13,181.16/19,774.40 = 4,861.23/x
  3. Step 3: Cross multiply
    13,181.16x = 19,774.40 × 4,861.23
  4. Step 4: Simplify right side
    13,181.16x = 96,127,919.28
  5. Step 5: Solve for x
    x = 96,127,919.28/13,181.16
  6. Step 6: Final answer
    x = 7,292.82

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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.