Home / 19,184.35-26,478.49-12,893.08

Finding the Fourth Proportional to 19,184.35, 26,478.49 and 12,893.08

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Solution

The fourth proportional to 19,184.35, 26,478.49 and 12,893.08 is: 17,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.35 : 26,478.49 = 12,893.08 : x
  2. Step 2: Convert to fraction form
    19,184.35/26,478.49 = 12,893.08/x
  3. Step 3: Cross multiply
    19,184.35x = 26,478.49 × 12,893.08
  4. Step 4: Simplify right side
    19,184.35x = 341,389,289.85
  5. Step 5: Solve for x
    x = 341,389,289.85/19,184.35
  6. Step 6: Final answer
    x = 17,795.20

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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.