Home / 16,313.60-22,509.68-15,483.16

Finding the Fourth Proportional to 16,313.60, 22,509.68 and 15,483.16

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Solution

The fourth proportional to 16,313.60, 22,509.68 and 15,483.16 is: 21,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,313.60 : 22,509.68 = 15,483.16 : x
  2. Step 2: Convert to fraction form
    16,313.60/22,509.68 = 15,483.16/x
  3. Step 3: Cross multiply
    16,313.60x = 22,509.68 × 15,483.16
  4. Step 4: Simplify right side
    16,313.60x = 348,520,976.99
  5. Step 5: Solve for x
    x = 348,520,976.99/16,313.60
  6. Step 6: Final answer
    x = 21,363.83

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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.