Home / 19,549.71-26,991.54-12,110.67

Finding the Fourth Proportional to 19,549.71, 26,991.54 and 12,110.67

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Solution

The fourth proportional to 19,549.71, 26,991.54 and 12,110.67 is: 16,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.71 : 26,991.54 = 12,110.67 : x
  2. Step 2: Convert to fraction form
    19,549.71/26,991.54 = 12,110.67/x
  3. Step 3: Cross multiply
    19,549.71x = 26,991.54 × 12,110.67
  4. Step 4: Simplify right side
    19,549.71x = 326,885,633.73
  5. Step 5: Solve for x
    x = 326,885,633.73/19,549.71
  6. Step 6: Final answer
    x = 16,720.74

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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.