Home / 16,400.99-22,609.17-11,606.04

Finding the Fourth Proportional to 16,400.99, 22,609.17 and 11,606.04

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Solution

The fourth proportional to 16,400.99, 22,609.17 and 11,606.04 is: 15,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.99 : 22,609.17 = 11,606.04 : x
  2. Step 2: Convert to fraction form
    16,400.99/22,609.17 = 11,606.04/x
  3. Step 3: Cross multiply
    16,400.99x = 22,609.17 × 11,606.04
  4. Step 4: Simplify right side
    16,400.99x = 262,402,931.39
  5. Step 5: Solve for x
    x = 262,402,931.39/16,400.99
  6. Step 6: Final answer
    x = 15,999.21

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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.