Home / 13,124.49-18,062.67-12,062.31

Finding the Fourth Proportional to 13,124.49, 18,062.67 and 12,062.31

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Solution

The fourth proportional to 13,124.49, 18,062.67 and 12,062.31 is: 16,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.49 : 18,062.67 = 12,062.31 : x
  2. Step 2: Convert to fraction form
    13,124.49/18,062.67 = 12,062.31/x
  3. Step 3: Cross multiply
    13,124.49x = 18,062.67 × 12,062.31
  4. Step 4: Simplify right side
    13,124.49x = 217,877,524.97
  5. Step 5: Solve for x
    x = 217,877,524.97/13,124.49
  6. Step 6: Final answer
    x = 16,600.84

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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.