Home / 19,117.56-26,379.54-10,619.04

Finding the Fourth Proportional to 19,117.56, 26,379.54 and 10,619.04

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Solution

The fourth proportional to 19,117.56, 26,379.54 and 10,619.04 is: 14,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.56 : 26,379.54 = 10,619.04 : x
  2. Step 2: Convert to fraction form
    19,117.56/26,379.54 = 10,619.04/x
  3. Step 3: Cross multiply
    19,117.56x = 26,379.54 × 10,619.04
  4. Step 4: Simplify right side
    19,117.56x = 280,125,390.44
  5. Step 5: Solve for x
    x = 280,125,390.44/19,117.56
  6. Step 6: Final answer
    x = 14,652.78

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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.