Home / 22,636.85-31,235.21-13,075.22

Finding the Fourth Proportional to 22,636.85, 31,235.21 and 13,075.22

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Solution

The fourth proportional to 22,636.85, 31,235.21 and 13,075.22 is: 18,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.85 : 31,235.21 = 13,075.22 : x
  2. Step 2: Convert to fraction form
    22,636.85/31,235.21 = 13,075.22/x
  3. Step 3: Cross multiply
    22,636.85x = 31,235.21 × 13,075.22
  4. Step 4: Simplify right side
    22,636.85x = 408,407,285.85
  5. Step 5: Solve for x
    x = 408,407,285.85/22,636.85
  6. Step 6: Final answer
    x = 18,041.70

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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.