Home / 19,391.91-26,771.01-13,051.86

Finding the Fourth Proportional to 19,391.91, 26,771.01 and 13,051.86

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Solution

The fourth proportional to 19,391.91, 26,771.01 and 13,051.86 is: 18,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.91 : 26,771.01 = 13,051.86 : x
  2. Step 2: Convert to fraction form
    19,391.91/26,771.01 = 13,051.86/x
  3. Step 3: Cross multiply
    19,391.91x = 26,771.01 × 13,051.86
  4. Step 4: Simplify right side
    19,391.91x = 349,411,474.58
  5. Step 5: Solve for x
    x = 349,411,474.58/19,391.91
  6. Step 6: Final answer
    x = 18,018.41

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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.