Home / 17,698.21-26,547.28-12,134.68

Finding the Fourth Proportional to 17,698.21, 26,547.28 and 12,134.68

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Solution

The fourth proportional to 17,698.21, 26,547.28 and 12,134.68 is: 18,201.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,698.21 : 26,547.28 = 12,134.68 : x
  2. Step 2: Convert to fraction form
    17,698.21/26,547.28 = 12,134.68/x
  3. Step 3: Cross multiply
    17,698.21x = 26,547.28 × 12,134.68
  4. Step 4: Simplify right side
    17,698.21x = 322,142,650.97
  5. Step 5: Solve for x
    x = 322,142,650.97/17,698.21
  6. Step 6: Final answer
    x = 18,201.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.