Home / 19,780.03-27,296.31-10,827.46

Finding the Fourth Proportional to 19,780.03, 27,296.31 and 10,827.46

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Solution

The fourth proportional to 19,780.03, 27,296.31 and 10,827.46 is: 14,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780.03 : 27,296.31 = 10,827.46 : x
  2. Step 2: Convert to fraction form
    19,780.03/27,296.31 = 10,827.46/x
  3. Step 3: Cross multiply
    19,780.03x = 27,296.31 × 10,827.46
  4. Step 4: Simplify right side
    19,780.03x = 295,549,704.67
  5. Step 5: Solve for x
    x = 295,549,704.67/19,780.03
  6. Step 6: Final answer
    x = 14,941.82

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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.