Home / 19,623.67-27,077.70-12,071.23

Finding the Fourth Proportional to 19,623.67, 27,077.70 and 12,071.23

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Solution

The fourth proportional to 19,623.67, 27,077.70 and 12,071.23 is: 16,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.67 : 27,077.70 = 12,071.23 : x
  2. Step 2: Convert to fraction form
    19,623.67/27,077.70 = 12,071.23/x
  3. Step 3: Cross multiply
    19,623.67x = 27,077.70 × 12,071.23
  4. Step 4: Simplify right side
    19,623.67x = 326,861,144.57
  5. Step 5: Solve for x
    x = 326,861,144.57/19,623.67
  6. Step 6: Final answer
    x = 16,656.47

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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.