Home / 19,698.41-27,188.19-12,526.94

Finding the Fourth Proportional to 19,698.41, 27,188.19 and 12,526.94

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Solution

The fourth proportional to 19,698.41, 27,188.19 and 12,526.94 is: 17,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.41 : 27,188.19 = 12,526.94 : x
  2. Step 2: Convert to fraction form
    19,698.41/27,188.19 = 12,526.94/x
  3. Step 3: Cross multiply
    19,698.41x = 27,188.19 × 12,526.94
  4. Step 4: Simplify right side
    19,698.41x = 340,584,892.81
  5. Step 5: Solve for x
    x = 340,584,892.81/19,698.41
  6. Step 6: Final answer
    x = 17,289.97

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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.