Home / 13,105.04-19,654.36-4,783.76

Finding the Fourth Proportional to 13,105.04, 19,654.36 and 4,783.76

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Solution

The fourth proportional to 13,105.04, 19,654.36 and 4,783.76 is: 7,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105.04 : 19,654.36 = 4,783.76 : x
  2. Step 2: Convert to fraction form
    13,105.04/19,654.36 = 4,783.76/x
  3. Step 3: Cross multiply
    13,105.04x = 19,654.36 × 4,783.76
  4. Step 4: Simplify right side
    13,105.04x = 94,021,741.19
  5. Step 5: Solve for x
    x = 94,021,741.19/13,105.04
  6. Step 6: Final answer
    x = 7,174.47

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1.5x scale

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.