Home / 19,071.84-26,315.68-12,007.68

Finding the Fourth Proportional to 19,071.84, 26,315.68 and 12,007.68

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Solution

The fourth proportional to 19,071.84, 26,315.68 and 12,007.68 is: 16,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.84 : 26,315.68 = 12,007.68 : x
  2. Step 2: Convert to fraction form
    19,071.84/26,315.68 = 12,007.68/x
  3. Step 3: Cross multiply
    19,071.84x = 26,315.68 × 12,007.68
  4. Step 4: Simplify right side
    19,071.84x = 315,990,264.42
  5. Step 5: Solve for x
    x = 315,990,264.42/19,071.84
  6. Step 6: Final answer
    x = 16,568.42

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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.