Home / 14,586.08-20,128.77-8,298.45

Finding the Fourth Proportional to 14,586.08, 20,128.77 and 8,298.45

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Solution

The fourth proportional to 14,586.08, 20,128.77 and 8,298.45 is: 11,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.08 : 20,128.77 = 8,298.45 : x
  2. Step 2: Convert to fraction form
    14,586.08/20,128.77 = 8,298.45/x
  3. Step 3: Cross multiply
    14,586.08x = 20,128.77 × 8,298.45
  4. Step 4: Simplify right side
    14,586.08x = 167,037,591.41
  5. Step 5: Solve for x
    x = 167,037,591.41/14,586.08
  6. Step 6: Final answer
    x = 11,451.85

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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.