Home / 19,184.54-26,478.74-12,893.27

Finding the Fourth Proportional to 19,184.54, 26,478.74 and 12,893.27

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Solution

The fourth proportional to 19,184.54, 26,478.74 and 12,893.27 is: 17,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.54 : 26,478.74 = 12,893.27 : x
  2. Step 2: Convert to fraction form
    19,184.54/26,478.74 = 12,893.27/x
  3. Step 3: Cross multiply
    19,184.54x = 26,478.74 × 12,893.27
  4. Step 4: Simplify right side
    19,184.54x = 341,397,443.92
  5. Step 5: Solve for x
    x = 341,397,443.92/19,184.54
  6. Step 6: Final answer
    x = 17,795.45

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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.