Home / 19,077.16-26,314.86-12,616.78

Finding the Fourth Proportional to 19,077.16, 26,314.86 and 12,616.78

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Solution

The fourth proportional to 19,077.16, 26,314.86 and 12,616.78 is: 17,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.16 : 26,314.86 = 12,616.78 : x
  2. Step 2: Convert to fraction form
    19,077.16/26,314.86 = 12,616.78/x
  3. Step 3: Cross multiply
    19,077.16x = 26,314.86 × 12,616.78
  4. Step 4: Simplify right side
    19,077.16x = 332,008,799.35
  5. Step 5: Solve for x
    x = 332,008,799.35/19,077.16
  6. Step 6: Final answer
    x = 17,403.47

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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.