Home / 13,873.21-19,140.30-8,498.19

Finding the Fourth Proportional to 13,873.21, 19,140.30 and 8,498.19

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Solution

The fourth proportional to 13,873.21, 19,140.30 and 8,498.19 is: 11,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.21 : 19,140.30 = 8,498.19 : x
  2. Step 2: Convert to fraction form
    13,873.21/19,140.30 = 8,498.19/x
  3. Step 3: Cross multiply
    13,873.21x = 19,140.30 × 8,498.19
  4. Step 4: Simplify right side
    13,873.21x = 162,657,906.06
  5. Step 5: Solve for x
    x = 162,657,906.06/13,873.21
  6. Step 6: Final answer
    x = 11,724.60

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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.