Home / 22,811.91-31,463.09-19,630.57

Finding the Fourth Proportional to 22,811.91, 31,463.09 and 19,630.57

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Solution

The fourth proportional to 22,811.91, 31,463.09 and 19,630.57 is: 27,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.91 : 31,463.09 = 19,630.57 : x
  2. Step 2: Convert to fraction form
    22,811.91/31,463.09 = 19,630.57/x
  3. Step 3: Cross multiply
    22,811.91x = 31,463.09 × 19,630.57
  4. Step 4: Simplify right side
    22,811.91x = 617,638,390.66
  5. Step 5: Solve for x
    x = 617,638,390.66/22,811.91
  6. Step 6: Final answer
    x = 27,075.26

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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.