Home / 14,353.26-19,807.83-8,065.74

Finding the Fourth Proportional to 14,353.26, 19,807.83 and 8,065.74

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Solution

The fourth proportional to 14,353.26, 19,807.83 and 8,065.74 is: 11,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.26 : 19,807.83 = 8,065.74 : x
  2. Step 2: Convert to fraction form
    14,353.26/19,807.83 = 8,065.74/x
  3. Step 3: Cross multiply
    14,353.26x = 19,807.83 × 8,065.74
  4. Step 4: Simplify right side
    14,353.26x = 159,764,806.74
  5. Step 5: Solve for x
    x = 159,764,806.74/14,353.26
  6. Step 6: Final answer
    x = 11,130.91

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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.