Home / 26,995.55-37,203.40-19,428.74

Finding the Fourth Proportional to 26,995.55, 37,203.40 and 19,428.74

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Solution

The fourth proportional to 26,995.55, 37,203.40 and 19,428.74 is: 26,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,995.55 : 37,203.40 = 19,428.74 : x
  2. Step 2: Convert to fraction form
    26,995.55/37,203.40 = 19,428.74/x
  3. Step 3: Cross multiply
    26,995.55x = 37,203.40 × 19,428.74
  4. Step 4: Simplify right side
    26,995.55x = 722,814,999.70
  5. Step 5: Solve for x
    x = 722,814,999.70/26,995.55
  6. Step 6: Final answer
    x = 26,775.34

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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.