Home / 14,049.21-21,075.03-5,729.81

Finding the Fourth Proportional to 14,049.21, 21,075.03 and 5,729.81

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Solution

The fourth proportional to 14,049.21, 21,075.03 and 5,729.81 is: 8,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.21 : 21,075.03 = 5,729.81 : x
  2. Step 2: Convert to fraction form
    14,049.21/21,075.03 = 5,729.81/x
  3. Step 3: Cross multiply
    14,049.21x = 21,075.03 × 5,729.81
  4. Step 4: Simplify right side
    14,049.21x = 120,755,812.27
  5. Step 5: Solve for x
    x = 120,755,812.27/14,049.21
  6. Step 6: Final answer
    x = 8,595.20

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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.