Home / 19,733.30-27,230.79-10,779.02

Finding the Fourth Proportional to 19,733.30, 27,230.79 and 10,779.02

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Solution

The fourth proportional to 19,733.30, 27,230.79 and 10,779.02 is: 14,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.30 : 27,230.79 = 10,779.02 : x
  2. Step 2: Convert to fraction form
    19,733.30/27,230.79 = 10,779.02/x
  3. Step 3: Cross multiply
    19,733.30x = 27,230.79 × 10,779.02
  4. Step 4: Simplify right side
    19,733.30x = 293,521,230.03
  5. Step 5: Solve for x
    x = 293,521,230.03/19,733.30
  6. Step 6: Final answer
    x = 14,874.41

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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.