Home / 22,782.33-31,422.64-16,730.66

Finding the Fourth Proportional to 22,782.33, 31,422.64 and 16,730.66

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Solution

The fourth proportional to 22,782.33, 31,422.64 and 16,730.66 is: 23,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782.33 : 31,422.64 = 16,730.66 : x
  2. Step 2: Convert to fraction form
    22,782.33/31,422.64 = 16,730.66/x
  3. Step 3: Cross multiply
    22,782.33x = 31,422.64 × 16,730.66
  4. Step 4: Simplify right side
    22,782.33x = 525,721,542.87
  5. Step 5: Solve for x
    x = 525,721,542.87/22,782.33
  6. Step 6: Final answer
    x = 23,075.85

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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.