Home / 14,958.04-20,642.23-8,243.90

Finding the Fourth Proportional to 14,958.04, 20,642.23 and 8,243.90

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Solution

The fourth proportional to 14,958.04, 20,642.23 and 8,243.90 is: 11,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958.04 : 20,642.23 = 8,243.90 : x
  2. Step 2: Convert to fraction form
    14,958.04/20,642.23 = 8,243.90/x
  3. Step 3: Cross multiply
    14,958.04x = 20,642.23 × 8,243.90
  4. Step 4: Simplify right side
    14,958.04x = 170,172,510.89
  5. Step 5: Solve for x
    x = 170,172,510.89/14,958.04
  6. Step 6: Final answer
    x = 11,376.66

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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.