Home / 14,551.72-20,014.50-12,629.80

Finding the Fourth Proportional to 14,551.72, 20,014.50 and 12,629.80

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Solution

The fourth proportional to 14,551.72, 20,014.50 and 12,629.80 is: 17,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.72 : 20,014.50 = 12,629.80 : x
  2. Step 2: Convert to fraction form
    14,551.72/20,014.50 = 12,629.80/x
  3. Step 3: Cross multiply
    14,551.72x = 20,014.50 × 12,629.80
  4. Step 4: Simplify right side
    14,551.72x = 252,779,132.10
  5. Step 5: Solve for x
    x = 252,779,132.10/14,551.72
  6. Step 6: Final answer
    x = 17,371.08

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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.