Home / 19,836.76-27,376.23-11,339.22

Finding the Fourth Proportional to 19,836.76, 27,376.23 and 11,339.22

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Solution

The fourth proportional to 19,836.76, 27,376.23 and 11,339.22 is: 15,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.76 : 27,376.23 = 11,339.22 : x
  2. Step 2: Convert to fraction form
    19,836.76/27,376.23 = 11,339.22/x
  3. Step 3: Cross multiply
    19,836.76x = 27,376.23 × 11,339.22
  4. Step 4: Simplify right side
    19,836.76x = 310,425,038.04
  5. Step 5: Solve for x
    x = 310,425,038.04/19,836.76
  6. Step 6: Final answer
    x = 15,648.98

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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.