Home / 19,053.78-26,290.62-12,347.88

Finding the Fourth Proportional to 19,053.78, 26,290.62 and 12,347.88

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Solution

The fourth proportional to 19,053.78, 26,290.62 and 12,347.88 is: 17,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.78 : 26,290.62 = 12,347.88 : x
  2. Step 2: Convert to fraction form
    19,053.78/26,290.62 = 12,347.88/x
  3. Step 3: Cross multiply
    19,053.78x = 26,290.62 × 12,347.88
  4. Step 4: Simplify right side
    19,053.78x = 324,633,420.89
  5. Step 5: Solve for x
    x = 324,633,420.89/19,053.78
  6. Step 6: Final answer
    x = 17,037.74

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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.