Home / 14,885.41-20,542.47-8,513.05

Finding the Fourth Proportional to 14,885.41, 20,542.47 and 8,513.05

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Solution

The fourth proportional to 14,885.41, 20,542.47 and 8,513.05 is: 11,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.41 : 20,542.47 = 8,513.05 : x
  2. Step 2: Convert to fraction form
    14,885.41/20,542.47 = 8,513.05/x
  3. Step 3: Cross multiply
    14,885.41x = 20,542.47 × 8,513.05
  4. Step 4: Simplify right side
    14,885.41x = 174,879,074.23
  5. Step 5: Solve for x
    x = 174,879,074.23/14,885.41
  6. Step 6: Final answer
    x = 11,748.35

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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.