Home / 19,004.19-26,228.00-15,811.86

Finding the Fourth Proportional to 19,004.19, 26,228.00 and 15,811.86

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Solution

The fourth proportional to 19,004.19, 26,228.00 and 15,811.86 is: 21,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.19 : 26,228.00 = 15,811.86 : x
  2. Step 2: Convert to fraction form
    19,004.19/26,228.00 = 15,811.86/x
  3. Step 3: Cross multiply
    19,004.19x = 26,228.00 × 15,811.86
  4. Step 4: Simplify right side
    19,004.19x = 414,713,385.02
  5. Step 5: Solve for x
    x = 414,713,385.02/19,004.19
  6. Step 6: Final answer
    x = 21,822.21

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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.