Home / 19,565.84-26,975.46-12,479.96

Finding the Fourth Proportional to 19,565.84, 26,975.46 and 12,479.96

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Solution

The fourth proportional to 19,565.84, 26,975.46 and 12,479.96 is: 17,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.84 : 26,975.46 = 12,479.96 : x
  2. Step 2: Convert to fraction form
    19,565.84/26,975.46 = 12,479.96/x
  3. Step 3: Cross multiply
    19,565.84x = 26,975.46 × 12,479.96
  4. Step 4: Simplify right side
    19,565.84x = 336,652,661.78
  5. Step 5: Solve for x
    x = 336,652,661.78/19,565.84
  6. Step 6: Final answer
    x = 17,206.14

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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.