Home / 19,308.84-28,945.00-14,557.63

Finding the Fourth Proportional to 19,308.84, 28,945.00 and 14,557.63

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Solution

The fourth proportional to 19,308.84, 28,945.00 and 14,557.63 is: 21,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.84 : 28,945.00 = 14,557.63 : x
  2. Step 2: Convert to fraction form
    19,308.84/28,945.00 = 14,557.63/x
  3. Step 3: Cross multiply
    19,308.84x = 28,945.00 × 14,557.63
  4. Step 4: Simplify right side
    19,308.84x = 421,370,636.74
  5. Step 5: Solve for x
    x = 421,370,636.74/19,308.84
  6. Step 6: Final answer
    x = 21,822.68

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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.