Home / 19,521.90-26,942.25-11,973.24

Finding the Fourth Proportional to 19,521.90, 26,942.25 and 11,973.24

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Solution

The fourth proportional to 19,521.90, 26,942.25 and 11,973.24 is: 16,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.90 : 26,942.25 = 11,973.24 : x
  2. Step 2: Convert to fraction form
    19,521.90/26,942.25 = 11,973.24/x
  3. Step 3: Cross multiply
    19,521.90x = 26,942.25 × 11,973.24
  4. Step 4: Simplify right side
    19,521.90x = 322,586,025.39
  5. Step 5: Solve for x
    x = 322,586,025.39/19,521.90
  6. Step 6: Final answer
    x = 16,524.32

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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.