Home / 19,863.59-27,412.61-11,368.37

Finding the Fourth Proportional to 19,863.59, 27,412.61 and 11,368.37

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Solution

The fourth proportional to 19,863.59, 27,412.61 and 11,368.37 is: 15,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.59 : 27,412.61 = 11,368.37 : x
  2. Step 2: Convert to fraction form
    19,863.59/27,412.61 = 11,368.37/x
  3. Step 3: Cross multiply
    19,863.59x = 27,412.61 × 11,368.37
  4. Step 4: Simplify right side
    19,863.59x = 311,636,704.84
  5. Step 5: Solve for x
    x = 311,636,704.84/19,863.59
  6. Step 6: Final answer
    x = 15,688.84

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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.