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Finding the Fourth Proportional to 14,855.48, 20,501.13 and 8,483.11

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Solution

The fourth proportional to 14,855.48, 20,501.13 and 8,483.11 is: 11,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.48 : 20,501.13 = 8,483.11 : x
  2. Step 2: Convert to fraction form
    14,855.48/20,501.13 = 8,483.11/x
  3. Step 3: Cross multiply
    14,855.48x = 20,501.13 × 8,483.11
  4. Step 4: Simplify right side
    14,855.48x = 173,913,195.99
  5. Step 5: Solve for x
    x = 173,913,195.99/14,855.48
  6. Step 6: Final answer
    x = 11,707.01

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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.