Home / 13,800.26-19,041.72-8,765.30

Finding the Fourth Proportional to 13,800.26, 19,041.72 and 8,765.30

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Solution

The fourth proportional to 13,800.26, 19,041.72 and 8,765.30 is: 12,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.26 : 19,041.72 = 8,765.30 : x
  2. Step 2: Convert to fraction form
    13,800.26/19,041.72 = 8,765.30/x
  3. Step 3: Cross multiply
    13,800.26x = 19,041.72 × 8,765.30
  4. Step 4: Simplify right side
    13,800.26x = 166,906,293.11
  5. Step 5: Solve for x
    x = 166,906,293.11/13,800.26
  6. Step 6: Final answer
    x = 12,094.44

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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.