Home / 13,048.18-19,572.28-3,187.35

Finding the Fourth Proportional to 13,048.18, 19,572.28 and 3,187.35

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Solution

The fourth proportional to 13,048.18, 19,572.28 and 3,187.35 is: 4,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.18 : 19,572.28 = 3,187.35 : x
  2. Step 2: Convert to fraction form
    13,048.18/19,572.28 = 3,187.35/x
  3. Step 3: Cross multiply
    13,048.18x = 19,572.28 × 3,187.35
  4. Step 4: Simplify right side
    13,048.18x = 62,383,698.69
  5. Step 5: Solve for x
    x = 62,383,698.69/13,048.18
  6. Step 6: Final answer
    x = 4,781.03

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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.