Home / 19,110.60-26,347.68-13,806.72

Finding the Fourth Proportional to 19,110.60, 26,347.68 and 13,806.72

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Solution

The fourth proportional to 19,110.60, 26,347.68 and 13,806.72 is: 19,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.60 : 26,347.68 = 13,806.72 : x
  2. Step 2: Convert to fraction form
    19,110.60/26,347.68 = 13,806.72/x
  3. Step 3: Cross multiply
    19,110.60x = 26,347.68 × 13,806.72
  4. Step 4: Simplify right side
    19,110.60x = 363,775,040.41
  5. Step 5: Solve for x
    x = 363,775,040.41/19,110.60
  6. Step 6: Final answer
    x = 19,035.25

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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.