Home / 22,950.52-31,670.43-12,878.02

Finding the Fourth Proportional to 22,950.52, 31,670.43 and 12,878.02

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Solution

The fourth proportional to 22,950.52, 31,670.43 and 12,878.02 is: 17,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,950.52 : 31,670.43 = 12,878.02 : x
  2. Step 2: Convert to fraction form
    22,950.52/31,670.43 = 12,878.02/x
  3. Step 3: Cross multiply
    22,950.52x = 31,670.43 × 12,878.02
  4. Step 4: Simplify right side
    22,950.52x = 407,852,430.95
  5. Step 5: Solve for x
    x = 407,852,430.95/22,950.52
  6. Step 6: Final answer
    x = 17,770.95

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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.