Home / 19,702.80-27,189.99-10,750.32

Finding the Fourth Proportional to 19,702.80, 27,189.99 and 10,750.32

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Solution

The fourth proportional to 19,702.80, 27,189.99 and 10,750.32 is: 14,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.80 : 27,189.99 = 10,750.32 : x
  2. Step 2: Convert to fraction form
    19,702.80/27,189.99 = 10,750.32/x
  3. Step 3: Cross multiply
    19,702.80x = 27,189.99 × 10,750.32
  4. Step 4: Simplify right side
    19,702.80x = 292,301,093.30
  5. Step 5: Solve for x
    x = 292,301,093.30/19,702.80
  6. Step 6: Final answer
    x = 14,835.51

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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.