Home / 19,434.60-26,815.14-11,055.72

Finding the Fourth Proportional to 19,434.60, 26,815.14 and 11,055.72

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Solution

The fourth proportional to 19,434.60, 26,815.14 and 11,055.72 is: 15,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.60 : 26,815.14 = 11,055.72 : x
  2. Step 2: Convert to fraction form
    19,434.60/26,815.14 = 11,055.72/x
  3. Step 3: Cross multiply
    19,434.60x = 26,815.14 × 11,055.72
  4. Step 4: Simplify right side
    19,434.60x = 296,460,679.60
  5. Step 5: Solve for x
    x = 296,460,679.60/19,434.60
  6. Step 6: Final answer
    x = 15,254.27

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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.