Home / 13,116.08-19,563.40-11,011.52

Finding the Fourth Proportional to 13,116.08, 19,563.40 and 11,011.52

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Solution

The fourth proportional to 13,116.08, 19,563.40 and 11,011.52 is: 16,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.08 : 19,563.40 = 11,011.52 : x
  2. Step 2: Convert to fraction form
    13,116.08/19,563.40 = 11,011.52/x
  3. Step 3: Cross multiply
    13,116.08x = 19,563.40 × 11,011.52
  4. Step 4: Simplify right side
    13,116.08x = 215,422,770.37
  5. Step 5: Solve for x
    x = 215,422,770.37/13,116.08
  6. Step 6: Final answer
    x = 16,424.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.