Home / 19,116.55-26,379.98-10,619.26

Finding the Fourth Proportional to 19,116.55, 26,379.98 and 10,619.26

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Solution

The fourth proportional to 19,116.55, 26,379.98 and 10,619.26 is: 14,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.55 : 26,379.98 = 10,619.26 : x
  2. Step 2: Convert to fraction form
    19,116.55/26,379.98 = 10,619.26/x
  3. Step 3: Cross multiply
    19,116.55x = 26,379.98 × 10,619.26
  4. Step 4: Simplify right side
    19,116.55x = 280,135,827.01
  5. Step 5: Solve for x
    x = 280,135,827.01/19,116.55
  6. Step 6: Final answer
    x = 14,654.10

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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.