Home / 16,590.30-22,811.67-15,899.10

Finding the Fourth Proportional to 16,590.30, 22,811.67 and 15,899.10

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Solution

The fourth proportional to 16,590.30, 22,811.67 and 15,899.10 is: 21,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.30 : 22,811.67 = 15,899.10 : x
  2. Step 2: Convert to fraction form
    16,590.30/22,811.67 = 15,899.10/x
  3. Step 3: Cross multiply
    16,590.30x = 22,811.67 × 15,899.10
  4. Step 4: Simplify right side
    16,590.30x = 362,685,022.50
  5. Step 5: Solve for x
    x = 362,685,022.50/16,590.30
  6. Step 6: Final answer
    x = 21,861.27

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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.