Home / 19,390.70-26,761.69-11,835.46

Finding the Fourth Proportional to 19,390.70, 26,761.69 and 11,835.46

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Solution

The fourth proportional to 19,390.70, 26,761.69 and 11,835.46 is: 16,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.70 : 26,761.69 = 11,835.46 : x
  2. Step 2: Convert to fraction form
    19,390.70/26,761.69 = 11,835.46/x
  3. Step 3: Cross multiply
    19,390.70x = 26,761.69 × 11,835.46
  4. Step 4: Simplify right side
    19,390.70x = 316,736,911.53
  5. Step 5: Solve for x
    x = 316,736,911.53/19,390.70
  6. Step 6: Final answer
    x = 16,334.48

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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.