Home / 14,992.13-20,669.90-12,293.41

Finding the Fourth Proportional to 14,992.13, 20,669.90 and 12,293.41

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Solution

The fourth proportional to 14,992.13, 20,669.90 and 12,293.41 is: 16,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.13 : 20,669.90 = 12,293.41 : x
  2. Step 2: Convert to fraction form
    14,992.13/20,669.90 = 12,293.41/x
  3. Step 3: Cross multiply
    14,992.13x = 20,669.90 × 12,293.41
  4. Step 4: Simplify right side
    14,992.13x = 254,103,482.74
  5. Step 5: Solve for x
    x = 254,103,482.74/14,992.13
  6. Step 6: Final answer
    x = 16,949.13

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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.