Home / 16,675.16-23,020.08-12,889.77

Finding the Fourth Proportional to 16,675.16, 23,020.08 and 12,889.77

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Solution

The fourth proportional to 16,675.16, 23,020.08 and 12,889.77 is: 17,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.16 : 23,020.08 = 12,889.77 : x
  2. Step 2: Convert to fraction form
    16,675.16/23,020.08 = 12,889.77/x
  3. Step 3: Cross multiply
    16,675.16x = 23,020.08 × 12,889.77
  4. Step 4: Simplify right side
    16,675.16x = 296,723,536.58
  5. Step 5: Solve for x
    x = 296,723,536.58/16,675.16
  6. Step 6: Final answer
    x = 17,794.35

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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.