Home / 13,026.80-19,528.61-4,705.00

Finding the Fourth Proportional to 13,026.80, 19,528.61 and 4,705.00

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Solution

The fourth proportional to 13,026.80, 19,528.61 and 4,705.00 is: 7,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.80 : 19,528.61 = 4,705.00 : x
  2. Step 2: Convert to fraction form
    13,026.80/19,528.61 = 4,705.00/x
  3. Step 3: Cross multiply
    13,026.80x = 19,528.61 × 4,705.00
  4. Step 4: Simplify right side
    13,026.80x = 91,882,037.70
  5. Step 5: Solve for x
    x = 91,882,037.70/13,026.80
  6. Step 6: Final answer
    x = 7,053.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.