Home / 16,581.64-22,883.70-9,129.64

Finding the Fourth Proportional to 16,581.64, 22,883.70 and 9,129.64

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Solution

The fourth proportional to 16,581.64, 22,883.70 and 9,129.64 is: 12,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.64 : 22,883.70 = 9,129.64 : x
  2. Step 2: Convert to fraction form
    16,581.64/22,883.70 = 9,129.64/x
  3. Step 3: Cross multiply
    16,581.64x = 22,883.70 × 9,129.64
  4. Step 4: Simplify right side
    16,581.64x = 208,919,942.87
  5. Step 5: Solve for x
    x = 208,919,942.87/16,581.64
  6. Step 6: Final answer
    x = 12,599.47

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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.