Home / 14,017.30-19,343.55-8,711.80

Finding the Fourth Proportional to 14,017.30, 19,343.55 and 8,711.80

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Solution

The fourth proportional to 14,017.30, 19,343.55 and 8,711.80 is: 12,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.30 : 19,343.55 = 8,711.80 : x
  2. Step 2: Convert to fraction form
    14,017.30/19,343.55 = 8,711.80/x
  3. Step 3: Cross multiply
    14,017.30x = 19,343.55 × 8,711.80
  4. Step 4: Simplify right side
    14,017.30x = 168,517,138.89
  5. Step 5: Solve for x
    x = 168,517,138.89/14,017.30
  6. Step 6: Final answer
    x = 12,022.08

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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.