Home / 19,734.72-27,192.96-14,688.96

Finding the Fourth Proportional to 19,734.72, 27,192.96 and 14,688.96

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Solution

The fourth proportional to 19,734.72, 27,192.96 and 14,688.96 is: 20,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.72 : 27,192.96 = 14,688.96 : x
  2. Step 2: Convert to fraction form
    19,734.72/27,192.96 = 14,688.96/x
  3. Step 3: Cross multiply
    19,734.72x = 27,192.96 × 14,688.96
  4. Step 4: Simplify right side
    19,734.72x = 399,436,301.72
  5. Step 5: Solve for x
    x = 399,436,301.72/19,734.72
  6. Step 6: Final answer
    x = 20,240.28

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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.