Home / 19,087.48-26,351.76-12,712.42

Finding the Fourth Proportional to 19,087.48, 26,351.76 and 12,712.42

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Solution

The fourth proportional to 19,087.48, 26,351.76 and 12,712.42 is: 17,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.48 : 26,351.76 = 12,712.42 : x
  2. Step 2: Convert to fraction form
    19,087.48/26,351.76 = 12,712.42/x
  3. Step 3: Cross multiply
    19,087.48x = 26,351.76 × 12,712.42
  4. Step 4: Simplify right side
    19,087.48x = 334,994,640.86
  5. Step 5: Solve for x
    x = 334,994,640.86/19,087.48
  6. Step 6: Final answer
    x = 17,550.49

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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.