Home / 19,341.40-29,012.46-15,492.28

Finding the Fourth Proportional to 19,341.40, 29,012.46 and 15,492.28

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Solution

The fourth proportional to 19,341.40, 29,012.46 and 15,492.28 is: 23,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.40 : 29,012.46 = 15,492.28 : x
  2. Step 2: Convert to fraction form
    19,341.40/29,012.46 = 15,492.28/x
  3. Step 3: Cross multiply
    19,341.40x = 29,012.46 × 15,492.28
  4. Step 4: Simplify right side
    19,341.40x = 449,469,153.81
  5. Step 5: Solve for x
    x = 449,469,153.81/19,341.40
  6. Step 6: Final answer
    x = 23,238.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.