Home / 16,288.61-22,477.04-9,215.49

Finding the Fourth Proportional to 16,288.61, 22,477.04 and 9,215.49

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Solution

The fourth proportional to 16,288.61, 22,477.04 and 9,215.49 is: 12,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,288.61 : 22,477.04 = 9,215.49 : x
  2. Step 2: Convert to fraction form
    16,288.61/22,477.04 = 9,215.49/x
  3. Step 3: Cross multiply
    16,288.61x = 22,477.04 × 9,215.49
  4. Step 4: Simplify right side
    16,288.61x = 207,136,937.35
  5. Step 5: Solve for x
    x = 207,136,937.35/16,288.61
  6. Step 6: Final answer
    x = 12,716.67

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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.