Home / 17,664.90-26,490.51-7,798.74

Finding the Fourth Proportional to 17,664.90, 26,490.51 and 7,798.74

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Solution

The fourth proportional to 17,664.90, 26,490.51 and 7,798.74 is: 11,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,664.90 : 26,490.51 = 7,798.74 : x
  2. Step 2: Convert to fraction form
    17,664.90/26,490.51 = 7,798.74/x
  3. Step 3: Cross multiply
    17,664.90x = 26,490.51 × 7,798.74
  4. Step 4: Simplify right side
    17,664.90x = 206,592,599.96
  5. Step 5: Solve for x
    x = 206,592,599.96/17,664.90
  6. Step 6: Final answer
    x = 11,695.09

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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.