Home / 14,862.41-20,507.51-8,486.09

Finding the Fourth Proportional to 14,862.41, 20,507.51 and 8,486.09

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Solution

The fourth proportional to 14,862.41, 20,507.51 and 8,486.09 is: 11,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.41 : 20,507.51 = 8,486.09 : x
  2. Step 2: Convert to fraction form
    14,862.41/20,507.51 = 8,486.09/x
  3. Step 3: Cross multiply
    14,862.41x = 20,507.51 × 8,486.09
  4. Step 4: Simplify right side
    14,862.41x = 174,028,430.57
  5. Step 5: Solve for x
    x = 174,028,430.57/14,862.41
  6. Step 6: Final answer
    x = 11,709.30

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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.