Home / 19,036.88-28,565.04-12,461.84

Finding the Fourth Proportional to 19,036.88, 28,565.04 and 12,461.84

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Solution

The fourth proportional to 19,036.88, 28,565.04 and 12,461.84 is: 18,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.88 : 28,565.04 = 12,461.84 : x
  2. Step 2: Convert to fraction form
    19,036.88/28,565.04 = 12,461.84/x
  3. Step 3: Cross multiply
    19,036.88x = 28,565.04 × 12,461.84
  4. Step 4: Simplify right side
    19,036.88x = 355,972,958.07
  5. Step 5: Solve for x
    x = 355,972,958.07/19,036.88
  6. Step 6: Final answer
    x = 18,699.12

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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.