Home / 17,812.14-24,584.15-12,721.47

Finding the Fourth Proportional to 17,812.14, 24,584.15 and 12,721.47

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Solution

The fourth proportional to 17,812.14, 24,584.15 and 12,721.47 is: 17,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.14 : 24,584.15 = 12,721.47 : x
  2. Step 2: Convert to fraction form
    17,812.14/24,584.15 = 12,721.47/x
  3. Step 3: Cross multiply
    17,812.14x = 24,584.15 × 12,721.47
  4. Step 4: Simplify right side
    17,812.14x = 312,746,526.70
  5. Step 5: Solve for x
    x = 312,746,526.70/17,812.14
  6. Step 6: Final answer
    x = 17,558.05

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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.