Home / 22,576.70-31,182.09-21,264.50

Finding the Fourth Proportional to 22,576.70, 31,182.09 and 21,264.50

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Solution

The fourth proportional to 22,576.70, 31,182.09 and 21,264.50 is: 29,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,576.70 : 31,182.09 = 21,264.50 : x
  2. Step 2: Convert to fraction form
    22,576.70/31,182.09 = 21,264.50/x
  3. Step 3: Cross multiply
    22,576.70x = 31,182.09 × 21,264.50
  4. Step 4: Simplify right side
    22,576.70x = 663,071,552.81
  5. Step 5: Solve for x
    x = 663,071,552.81/22,576.70
  6. Step 6: Final answer
    x = 29,369.73

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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.