Home / 19,922.28-27,492.53-10,969.61

Finding the Fourth Proportional to 19,922.28, 27,492.53 and 10,969.61

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Solution

The fourth proportional to 19,922.28, 27,492.53 and 10,969.61 is: 15,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.28 : 27,492.53 = 10,969.61 : x
  2. Step 2: Convert to fraction form
    19,922.28/27,492.53 = 10,969.61/x
  3. Step 3: Cross multiply
    19,922.28x = 27,492.53 × 10,969.61
  4. Step 4: Simplify right side
    19,922.28x = 301,582,139.70
  5. Step 5: Solve for x
    x = 301,582,139.70/19,922.28
  6. Step 6: Final answer
    x = 15,137.93

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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.