Home / 14,790.24-20,406.96-9,197.28

Finding the Fourth Proportional to 14,790.24, 20,406.96 and 9,197.28

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Solution

The fourth proportional to 14,790.24, 20,406.96 and 9,197.28 is: 12,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.24 : 20,406.96 = 9,197.28 : x
  2. Step 2: Convert to fraction form
    14,790.24/20,406.96 = 9,197.28/x
  3. Step 3: Cross multiply
    14,790.24x = 20,406.96 × 9,197.28
  4. Step 4: Simplify right side
    14,790.24x = 187,688,525.07
  5. Step 5: Solve for x
    x = 187,688,525.07/14,790.24
  6. Step 6: Final answer
    x = 12,690.03

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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.