Home / 14,997.81-20,699.51-8,713.83

Finding the Fourth Proportional to 14,997.81, 20,699.51 and 8,713.83

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Solution

The fourth proportional to 14,997.81, 20,699.51 and 8,713.83 is: 12,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.81 : 20,699.51 = 8,713.83 : x
  2. Step 2: Convert to fraction form
    14,997.81/20,699.51 = 8,713.83/x
  3. Step 3: Cross multiply
    14,997.81x = 20,699.51 × 8,713.83
  4. Step 4: Simplify right side
    14,997.81x = 180,371,967.65
  5. Step 5: Solve for x
    x = 180,371,967.65/14,997.81
  6. Step 6: Final answer
    x = 12,026.55

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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.