Home / 19,125.84-28,656.40-11,714.82

Finding the Fourth Proportional to 19,125.84, 28,656.40 and 11,714.82

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Solution

The fourth proportional to 19,125.84, 28,656.40 and 11,714.82 is: 17,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.84 : 28,656.40 = 11,714.82 : x
  2. Step 2: Convert to fraction form
    19,125.84/28,656.40 = 11,714.82/x
  3. Step 3: Cross multiply
    19,125.84x = 28,656.40 × 11,714.82
  4. Step 4: Simplify right side
    19,125.84x = 335,704,567.85
  5. Step 5: Solve for x
    x = 335,704,567.85/19,125.84
  6. Step 6: Final answer
    x = 17,552.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.