Home / 19,419.73-26,796.48-10,920.67

Finding the Fourth Proportional to 19,419.73, 26,796.48 and 10,920.67

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Solution

The fourth proportional to 19,419.73, 26,796.48 and 10,920.67 is: 15,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.73 : 26,796.48 = 10,920.67 : x
  2. Step 2: Convert to fraction form
    19,419.73/26,796.48 = 10,920.67/x
  3. Step 3: Cross multiply
    19,419.73x = 26,796.48 × 10,920.67
  4. Step 4: Simplify right side
    19,419.73x = 292,635,515.24
  5. Step 5: Solve for x
    x = 292,635,515.24/19,419.73
  6. Step 6: Final answer
    x = 15,068.98

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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.