Home / 19,198.64-26,490.91-10,698.90

Finding the Fourth Proportional to 19,198.64, 26,490.91 and 10,698.90

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Solution

The fourth proportional to 19,198.64, 26,490.91 and 10,698.90 is: 14,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.64 : 26,490.91 = 10,698.90 : x
  2. Step 2: Convert to fraction form
    19,198.64/26,490.91 = 10,698.90/x
  3. Step 3: Cross multiply
    19,198.64x = 26,490.91 × 10,698.90
  4. Step 4: Simplify right side
    19,198.64x = 283,423,490.97
  5. Step 5: Solve for x
    x = 283,423,490.97/19,198.64
  6. Step 6: Final answer
    x = 14,762.69

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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.