Home / 22,888.94-31,583.18-12,817.80

Finding the Fourth Proportional to 22,888.94, 31,583.18 and 12,817.80

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Solution

The fourth proportional to 22,888.94, 31,583.18 and 12,817.80 is: 17,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,888.94 : 31,583.18 = 12,817.80 : x
  2. Step 2: Convert to fraction form
    22,888.94/31,583.18 = 12,817.80/x
  3. Step 3: Cross multiply
    22,888.94x = 31,583.18 × 12,817.80
  4. Step 4: Simplify right side
    22,888.94x = 404,826,916.65
  5. Step 5: Solve for x
    x = 404,826,916.65/22,888.94
  6. Step 6: Final answer
    x = 17,686.58

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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.