Home / 21,566.99-29,603.44-19,156.43

Finding the Fourth Proportional to 21,566.99, 29,603.44 and 19,156.43

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Solution

The fourth proportional to 21,566.99, 29,603.44 and 19,156.43 is: 26,294.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.99 : 29,603.44 = 19,156.43 : x
  2. Step 2: Convert to fraction form
    21,566.99/29,603.44 = 19,156.43/x
  3. Step 3: Cross multiply
    21,566.99x = 29,603.44 × 19,156.43
  4. Step 4: Simplify right side
    21,566.99x = 567,095,982.32
  5. Step 5: Solve for x
    x = 567,095,982.32/21,566.99
  6. Step 6: Final answer
    x = 26,294.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.