Home / 22,883.84-31,576.03-12,812.70

Finding the Fourth Proportional to 22,883.84, 31,576.03 and 12,812.70

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Solution

The fourth proportional to 22,883.84, 31,576.03 and 12,812.70 is: 17,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,883.84 : 31,576.03 = 12,812.70 : x
  2. Step 2: Convert to fraction form
    22,883.84/31,576.03 = 12,812.70/x
  3. Step 3: Cross multiply
    22,883.84x = 31,576.03 × 12,812.70
  4. Step 4: Simplify right side
    22,883.84x = 404,574,199.58
  5. Step 5: Solve for x
    x = 404,574,199.58/22,883.84
  6. Step 6: Final answer
    x = 17,679.47

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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.