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Finding the Fourth Proportional to 14,703.18, 20,313.18 and 14,592.48

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Solution

The fourth proportional to 14,703.18, 20,313.18 and 14,592.48 is: 20,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.18 : 20,313.18 = 14,592.48 : x
  2. Step 2: Convert to fraction form
    14,703.18/20,313.18 = 14,592.48/x
  3. Step 3: Cross multiply
    14,703.18x = 20,313.18 × 14,592.48
  4. Step 4: Simplify right side
    14,703.18x = 296,419,672.89
  5. Step 5: Solve for x
    x = 296,419,672.89/14,703.18
  6. Step 6: Final answer
    x = 20,160.24

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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.