Home / 13,862.01-19,131.53-8,824.62

Finding the Fourth Proportional to 13,862.01, 19,131.53 and 8,824.62

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Solution

The fourth proportional to 13,862.01, 19,131.53 and 8,824.62 is: 12,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.01 : 19,131.53 = 8,824.62 : x
  2. Step 2: Convert to fraction form
    13,862.01/19,131.53 = 8,824.62/x
  3. Step 3: Cross multiply
    13,862.01x = 19,131.53 × 8,824.62
  4. Step 4: Simplify right side
    13,862.01x = 168,828,438.15
  5. Step 5: Solve for x
    x = 168,828,438.15/13,862.01
  6. Step 6: Final answer
    x = 12,179.22

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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.