Home / 19,137.86-26,401.04-12,425.59

Finding the Fourth Proportional to 19,137.86, 26,401.04 and 12,425.59

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Solution

The fourth proportional to 19,137.86, 26,401.04 and 12,425.59 is: 17,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.86 : 26,401.04 = 12,425.59 : x
  2. Step 2: Convert to fraction form
    19,137.86/26,401.04 = 12,425.59/x
  3. Step 3: Cross multiply
    19,137.86x = 26,401.04 × 12,425.59
  4. Step 4: Simplify right side
    19,137.86x = 328,048,590.34
  5. Step 5: Solve for x
    x = 328,048,590.34/19,137.86
  6. Step 6: Final answer
    x = 17,141.34

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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.