Home / 19,825.14-29,717.66-12,434.76

Finding the Fourth Proportional to 19,825.14, 29,717.66 and 12,434.76

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Solution

The fourth proportional to 19,825.14, 29,717.66 and 12,434.76 is: 18,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.14 : 29,717.66 = 12,434.76 : x
  2. Step 2: Convert to fraction form
    19,825.14/29,717.66 = 12,434.76/x
  3. Step 3: Cross multiply
    19,825.14x = 29,717.66 × 12,434.76
  4. Step 4: Simplify right side
    19,825.14x = 369,531,969.86
  5. Step 5: Solve for x
    x = 369,531,969.86/19,825.14
  6. Step 6: Final answer
    x = 18,639.56

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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.