Home / 22,999.65-31,738.08-12,927.95

Finding the Fourth Proportional to 22,999.65, 31,738.08 and 12,927.95

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Solution

The fourth proportional to 22,999.65, 31,738.08 and 12,927.95 is: 17,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,999.65 : 31,738.08 = 12,927.95 : x
  2. Step 2: Convert to fraction form
    22,999.65/31,738.08 = 12,927.95/x
  3. Step 3: Cross multiply
    22,999.65x = 31,738.08 × 12,927.95
  4. Step 4: Simplify right side
    22,999.65x = 410,308,425.95
  5. Step 5: Solve for x
    x = 410,308,425.95/22,999.65
  6. Step 6: Final answer
    x = 17,839.77

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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.