Home / 13,663.08-20,501.30-4,898.68

Finding the Fourth Proportional to 13,663.08, 20,501.30 and 4,898.68

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Solution

The fourth proportional to 13,663.08, 20,501.30 and 4,898.68 is: 7,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.08 : 20,501.30 = 4,898.68 : x
  2. Step 2: Convert to fraction form
    13,663.08/20,501.30 = 4,898.68/x
  3. Step 3: Cross multiply
    13,663.08x = 20,501.30 × 4,898.68
  4. Step 4: Simplify right side
    13,663.08x = 100,429,269.28
  5. Step 5: Solve for x
    x = 100,429,269.28/13,663.08
  6. Step 6: Final answer
    x = 7,350.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.