Home / 13,904.83-19,173.29-8,861.06

Finding the Fourth Proportional to 13,904.83, 19,173.29 and 8,861.06

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Solution

The fourth proportional to 13,904.83, 19,173.29 and 8,861.06 is: 12,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.83 : 19,173.29 = 8,861.06 : x
  2. Step 2: Convert to fraction form
    13,904.83/19,173.29 = 8,861.06/x
  3. Step 3: Cross multiply
    13,904.83x = 19,173.29 × 8,861.06
  4. Step 4: Simplify right side
    13,904.83x = 169,895,532.92
  5. Step 5: Solve for x
    x = 169,895,532.92/13,904.83
  6. Step 6: Final answer
    x = 12,218.46

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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.