Home / 14,790.13-20,410.26-8,075.76

Finding the Fourth Proportional to 14,790.13, 20,410.26 and 8,075.76

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Solution

The fourth proportional to 14,790.13, 20,410.26 and 8,075.76 is: 11,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.13 : 20,410.26 = 8,075.76 : x
  2. Step 2: Convert to fraction form
    14,790.13/20,410.26 = 8,075.76/x
  3. Step 3: Cross multiply
    14,790.13x = 20,410.26 × 8,075.76
  4. Step 4: Simplify right side
    14,790.13x = 164,828,361.30
  5. Step 5: Solve for x
    x = 164,828,361.30/14,790.13
  6. Step 6: Final answer
    x = 11,144.48

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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.