Home / 16,075.35-22,189.80-13,085.99

Finding the Fourth Proportional to 16,075.35, 22,189.80 and 13,085.99

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Solution

The fourth proportional to 16,075.35, 22,189.80 and 13,085.99 is: 18,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,075.35 : 22,189.80 = 13,085.99 : x
  2. Step 2: Convert to fraction form
    16,075.35/22,189.80 = 13,085.99/x
  3. Step 3: Cross multiply
    16,075.35x = 22,189.80 × 13,085.99
  4. Step 4: Simplify right side
    16,075.35x = 290,375,473.16
  5. Step 5: Solve for x
    x = 290,375,473.16/16,075.35
  6. Step 6: Final answer
    x = 18,063.40

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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.