Home / 22,702.03-31,329.23-12,631.41

Finding the Fourth Proportional to 22,702.03, 31,329.23 and 12,631.41

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Solution

The fourth proportional to 22,702.03, 31,329.23 and 12,631.41 is: 17,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702.03 : 31,329.23 = 12,631.41 : x
  2. Step 2: Convert to fraction form
    22,702.03/31,329.23 = 12,631.41/x
  3. Step 3: Cross multiply
    22,702.03x = 31,329.23 × 12,631.41
  4. Step 4: Simplify right side
    22,702.03x = 395,732,349.11
  5. Step 5: Solve for x
    x = 395,732,349.11/22,702.03
  6. Step 6: Final answer
    x = 17,431.58

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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.