Home / 19,770.81-27,255.33-14,095.71

Finding the Fourth Proportional to 19,770.81, 27,255.33 and 14,095.71

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Solution

The fourth proportional to 19,770.81, 27,255.33 and 14,095.71 is: 19,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.81 : 27,255.33 = 14,095.71 : x
  2. Step 2: Convert to fraction form
    19,770.81/27,255.33 = 14,095.71/x
  3. Step 3: Cross multiply
    19,770.81x = 27,255.33 × 14,095.71
  4. Step 4: Simplify right side
    19,770.81x = 384,183,227.63
  5. Step 5: Solve for x
    x = 384,183,227.63/19,770.81
  6. Step 6: Final answer
    x = 19,431.84

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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.