Home / 14,157.48-19,492.74-12,028.80

Finding the Fourth Proportional to 14,157.48, 19,492.74 and 12,028.80

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Solution

The fourth proportional to 14,157.48, 19,492.74 and 12,028.80 is: 16,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.48 : 19,492.74 = 12,028.80 : x
  2. Step 2: Convert to fraction form
    14,157.48/19,492.74 = 12,028.80/x
  3. Step 3: Cross multiply
    14,157.48x = 19,492.74 × 12,028.80
  4. Step 4: Simplify right side
    14,157.48x = 234,474,270.91
  5. Step 5: Solve for x
    x = 234,474,270.91/14,157.48
  6. Step 6: Final answer
    x = 16,561.86

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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.