Home / 19,217.58-26,509.68-12,045.96

Finding the Fourth Proportional to 19,217.58, 26,509.68 and 12,045.96

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Solution

The fourth proportional to 19,217.58, 26,509.68 and 12,045.96 is: 16,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.58 : 26,509.68 = 12,045.96 : x
  2. Step 2: Convert to fraction form
    19,217.58/26,509.68 = 12,045.96/x
  3. Step 3: Cross multiply
    19,217.58x = 26,509.68 × 12,045.96
  4. Step 4: Simplify right side
    19,217.58x = 319,334,544.89
  5. Step 5: Solve for x
    x = 319,334,544.89/19,217.58
  6. Step 6: Final answer
    x = 16,616.79

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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.