Home / 14,995.81-20,696.75-8,711.83

Finding the Fourth Proportional to 14,995.81, 20,696.75 and 8,711.83

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Solution

The fourth proportional to 14,995.81, 20,696.75 and 8,711.83 is: 12,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.81 : 20,696.75 = 8,711.83 : x
  2. Step 2: Convert to fraction form
    14,995.81/20,696.75 = 8,711.83/x
  3. Step 3: Cross multiply
    14,995.81x = 20,696.75 × 8,711.83
  4. Step 4: Simplify right side
    14,995.81x = 180,306,567.55
  5. Step 5: Solve for x
    x = 180,306,567.55/14,995.81
  6. Step 6: Final answer
    x = 12,023.80

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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.