Home / 19,111.77-26,346.29-13,429.44

Finding the Fourth Proportional to 19,111.77, 26,346.29 and 13,429.44

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Solution

The fourth proportional to 19,111.77, 26,346.29 and 13,429.44 is: 18,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.77 : 26,346.29 = 13,429.44 : x
  2. Step 2: Convert to fraction form
    19,111.77/26,346.29 = 13,429.44/x
  3. Step 3: Cross multiply
    19,111.77x = 26,346.29 × 13,429.44
  4. Step 4: Simplify right side
    19,111.77x = 353,815,853.63
  5. Step 5: Solve for x
    x = 353,815,853.63/19,111.77
  6. Step 6: Final answer
    x = 18,512.98

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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.