Home / 13,852.31-19,103.20-11,029.00

Finding the Fourth Proportional to 13,852.31, 19,103.20 and 11,029.00

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Solution

The fourth proportional to 13,852.31, 19,103.20 and 11,029.00 is: 15,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.31 : 19,103.20 = 11,029.00 : x
  2. Step 2: Convert to fraction form
    13,852.31/19,103.20 = 11,029.00/x
  3. Step 3: Cross multiply
    13,852.31x = 19,103.20 × 11,029.00
  4. Step 4: Simplify right side
    13,852.31x = 210,689,158.83
  5. Step 5: Solve for x
    x = 210,689,158.83/13,852.31
  6. Step 6: Final answer
    x = 15,209.68

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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.