Home / 19,147.35-26,395.65-12,676.14

Finding the Fourth Proportional to 19,147.35, 26,395.65 and 12,676.14

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Solution

The fourth proportional to 19,147.35, 26,395.65 and 12,676.14 is: 17,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.35 : 26,395.65 = 12,676.14 : x
  2. Step 2: Convert to fraction form
    19,147.35/26,395.65 = 12,676.14/x
  3. Step 3: Cross multiply
    19,147.35x = 26,395.65 × 12,676.14
  4. Step 4: Simplify right side
    19,147.35x = 334,594,954.79
  5. Step 5: Solve for x
    x = 334,594,954.79/19,147.35
  6. Step 6: Final answer
    x = 17,474.74

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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.