Home / 19,653.93-29,467.23-12,156.63

Finding the Fourth Proportional to 19,653.93, 29,467.23 and 12,156.63

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Solution

The fourth proportional to 19,653.93, 29,467.23 and 12,156.63 is: 18,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.93 : 29,467.23 = 12,156.63 : x
  2. Step 2: Convert to fraction form
    19,653.93/29,467.23 = 12,156.63/x
  3. Step 3: Cross multiply
    19,653.93x = 29,467.23 × 12,156.63
  4. Step 4: Simplify right side
    19,653.93x = 358,222,212.23
  5. Step 5: Solve for x
    x = 358,222,212.23/19,653.93
  6. Step 6: Final answer
    x = 18,226.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.