Home / 16,075.78-22,184.07-8,905.41

Finding the Fourth Proportional to 16,075.78, 22,184.07 and 8,905.41

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Solution

The fourth proportional to 16,075.78, 22,184.07 and 8,905.41 is: 12,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,075.78 : 22,184.07 = 8,905.41 : x
  2. Step 2: Convert to fraction form
    16,075.78/22,184.07 = 8,905.41/x
  3. Step 3: Cross multiply
    16,075.78x = 22,184.07 × 8,905.41
  4. Step 4: Simplify right side
    16,075.78x = 197,558,238.82
  5. Step 5: Solve for x
    x = 197,558,238.82/16,075.78
  6. Step 6: Final answer
    x = 12,289.19

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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.