Home / 14,075.34-21,109.84-4,213.36

Finding the Fourth Proportional to 14,075.34, 21,109.84 and 4,213.36

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Solution

The fourth proportional to 14,075.34, 21,109.84 and 4,213.36 is: 6,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.34 : 21,109.84 = 4,213.36 : x
  2. Step 2: Convert to fraction form
    14,075.34/21,109.84 = 4,213.36/x
  3. Step 3: Cross multiply
    14,075.34x = 21,109.84 × 4,213.36
  4. Step 4: Simplify right side
    14,075.34x = 88,943,355.46
  5. Step 5: Solve for x
    x = 88,943,355.46/14,075.34
  6. Step 6: Final answer
    x = 6,319.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.