Home / 13,961.08-19,263.18-8,295.40

Finding the Fourth Proportional to 13,961.08, 19,263.18 and 8,295.40

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Solution

The fourth proportional to 13,961.08, 19,263.18 and 8,295.40 is: 11,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.08 : 19,263.18 = 8,295.40 : x
  2. Step 2: Convert to fraction form
    13,961.08/19,263.18 = 8,295.40/x
  3. Step 3: Cross multiply
    13,961.08x = 19,263.18 × 8,295.40
  4. Step 4: Simplify right side
    13,961.08x = 159,795,783.37
  5. Step 5: Solve for x
    x = 159,795,783.37/13,961.08
  6. Step 6: Final answer
    x = 11,445.80

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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.