Home / 19,128.44-26,398.72-10,631.26

Finding the Fourth Proportional to 19,128.44, 26,398.72 and 10,631.26

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Solution

The fourth proportional to 19,128.44, 26,398.72 and 10,631.26 is: 14,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.44 : 26,398.72 = 10,631.26 : x
  2. Step 2: Convert to fraction form
    19,128.44/26,398.72 = 10,631.26/x
  3. Step 3: Cross multiply
    19,128.44x = 26,398.72 × 10,631.26
  4. Step 4: Simplify right side
    19,128.44x = 280,651,702.27
  5. Step 5: Solve for x
    x = 280,651,702.27/19,128.44
  6. Step 6: Final answer
    x = 14,671.96

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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.