Home / 14,790.11-20,410.30-8,075.66

Finding the Fourth Proportional to 14,790.11, 20,410.30 and 8,075.66

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Solution

The fourth proportional to 14,790.11, 20,410.30 and 8,075.66 is: 11,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.11 : 20,410.30 = 8,075.66 : x
  2. Step 2: Convert to fraction form
    14,790.11/20,410.30 = 8,075.66/x
  3. Step 3: Cross multiply
    14,790.11x = 20,410.30 × 8,075.66
  4. Step 4: Simplify right side
    14,790.11x = 164,826,643.30
  5. Step 5: Solve for x
    x = 164,826,643.30/14,790.11
  6. Step 6: Final answer
    x = 11,144.38

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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.