Home / 19,788.02-27,302.13-11,826.74

Finding the Fourth Proportional to 19,788.02, 27,302.13 and 11,826.74

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Solution

The fourth proportional to 19,788.02, 27,302.13 and 11,826.74 is: 16,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.02 : 27,302.13 = 11,826.74 : x
  2. Step 2: Convert to fraction form
    19,788.02/27,302.13 = 11,826.74/x
  3. Step 3: Cross multiply
    19,788.02x = 27,302.13 × 11,826.74
  4. Step 4: Simplify right side
    19,788.02x = 322,895,192.96
  5. Step 5: Solve for x
    x = 322,895,192.96/19,788.02
  6. Step 6: Final answer
    x = 16,317.71

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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.