Home / 14,695.68-20,275.44-8,406.84

Finding the Fourth Proportional to 14,695.68, 20,275.44 and 8,406.84

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Solution

The fourth proportional to 14,695.68, 20,275.44 and 8,406.84 is: 11,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.68 : 20,275.44 = 8,406.84 : x
  2. Step 2: Convert to fraction form
    14,695.68/20,275.44 = 8,406.84/x
  3. Step 3: Cross multiply
    14,695.68x = 20,275.44 × 8,406.84
  4. Step 4: Simplify right side
    14,695.68x = 170,452,380.01
  5. Step 5: Solve for x
    x = 170,452,380.01/14,695.68
  6. Step 6: Final answer
    x = 11,598.81

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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.