Home / 13,919.85-19,208.34-7,632.23

Finding the Fourth Proportional to 13,919.85, 19,208.34 and 7,632.23

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Solution

The fourth proportional to 13,919.85, 19,208.34 and 7,632.23 is: 10,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.85 : 19,208.34 = 7,632.23 : x
  2. Step 2: Convert to fraction form
    13,919.85/19,208.34 = 7,632.23/x
  3. Step 3: Cross multiply
    13,919.85x = 19,208.34 × 7,632.23
  4. Step 4: Simplify right side
    13,919.85x = 146,602,372.76
  5. Step 5: Solve for x
    x = 146,602,372.76/13,919.85
  6. Step 6: Final answer
    x = 10,531.89

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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.