Home / 13,821.48-19,074.06-7,533.96

Finding the Fourth Proportional to 13,821.48, 19,074.06 and 7,533.96

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Solution

The fourth proportional to 13,821.48, 19,074.06 and 7,533.96 is: 10,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.48 : 19,074.06 = 7,533.96 : x
  2. Step 2: Convert to fraction form
    13,821.48/19,074.06 = 7,533.96/x
  3. Step 3: Cross multiply
    13,821.48x = 19,074.06 × 7,533.96
  4. Step 4: Simplify right side
    13,821.48x = 143,703,205.08
  5. Step 5: Solve for x
    x = 143,703,205.08/13,821.48
  6. Step 6: Final answer
    x = 10,397.09

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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.