Home / 14,123.44-19,492.68-7,837.84

Finding the Fourth Proportional to 14,123.44, 19,492.68 and 7,837.84

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Solution

The fourth proportional to 14,123.44, 19,492.68 and 7,837.84 is: 10,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.44 : 19,492.68 = 7,837.84 : x
  2. Step 2: Convert to fraction form
    14,123.44/19,492.68 = 7,837.84/x
  3. Step 3: Cross multiply
    14,123.44x = 19,492.68 × 7,837.84
  4. Step 4: Simplify right side
    14,123.44x = 152,780,507.01
  5. Step 5: Solve for x
    x = 152,780,507.01/14,123.44
  6. Step 6: Final answer
    x = 10,817.51

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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.