Home / 19,200.20-26,495.86-10,702.28

Finding the Fourth Proportional to 19,200.20, 26,495.86 and 10,702.28

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Solution

The fourth proportional to 19,200.20, 26,495.86 and 10,702.28 is: 14,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.20 : 26,495.86 = 10,702.28 : x
  2. Step 2: Convert to fraction form
    19,200.20/26,495.86 = 10,702.28/x
  3. Step 3: Cross multiply
    19,200.20x = 26,495.86 × 10,702.28
  4. Step 4: Simplify right side
    19,200.20x = 283,566,112.56
  5. Step 5: Solve for x
    x = 283,566,112.56/19,200.20
  6. Step 6: Final answer
    x = 14,768.91

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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.