Home / 14,869.68-20,512.35-8,899.58

Finding the Fourth Proportional to 14,869.68, 20,512.35 and 8,899.58

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Solution

The fourth proportional to 14,869.68, 20,512.35 and 8,899.58 is: 12,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.68 : 20,512.35 = 8,899.58 : x
  2. Step 2: Convert to fraction form
    14,869.68/20,512.35 = 8,899.58/x
  3. Step 3: Cross multiply
    14,869.68x = 20,512.35 × 8,899.58
  4. Step 4: Simplify right side
    14,869.68x = 182,551,197.25
  5. Step 5: Solve for x
    x = 182,551,197.25/14,869.68
  6. Step 6: Final answer
    x = 12,276.74

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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.