Home / 22,738.26-31,376.52-12,666.30

Finding the Fourth Proportional to 22,738.26, 31,376.52 and 12,666.30

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Solution

The fourth proportional to 22,738.26, 31,376.52 and 12,666.30 is: 17,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.26 : 31,376.52 = 12,666.30 : x
  2. Step 2: Convert to fraction form
    22,738.26/31,376.52 = 12,666.30/x
  3. Step 3: Cross multiply
    22,738.26x = 31,376.52 × 12,666.30
  4. Step 4: Simplify right side
    22,738.26x = 397,424,415.28
  5. Step 5: Solve for x
    x = 397,424,415.28/22,738.26
  6. Step 6: Final answer
    x = 17,478.22

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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.