Home / 14,352.28-19,805.16-8,065.60

Finding the Fourth Proportional to 14,352.28, 19,805.16 and 8,065.60

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Solution

The fourth proportional to 14,352.28, 19,805.16 and 8,065.60 is: 11,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.28 : 19,805.16 = 8,065.60 : x
  2. Step 2: Convert to fraction form
    14,352.28/19,805.16 = 8,065.60/x
  3. Step 3: Cross multiply
    14,352.28x = 19,805.16 × 8,065.60
  4. Step 4: Simplify right side
    14,352.28x = 159,740,498.50
  5. Step 5: Solve for x
    x = 159,740,498.50/14,352.28
  6. Step 6: Final answer
    x = 11,129.97

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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.