Home / 53,511.12-80,260.28-14,071.30

Finding the Fourth Proportional to 53,511.12, 80,260.28 and 14,071.30

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Solution

The fourth proportional to 53,511.12, 80,260.28 and 14,071.30 is: 21,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,511.12 : 80,260.28 = 14,071.30 : x
  2. Step 2: Convert to fraction form
    53,511.12/80,260.28 = 14,071.30/x
  3. Step 3: Cross multiply
    53,511.12x = 80,260.28 × 14,071.30
  4. Step 4: Simplify right side
    53,511.12x = 1,129,366,477.96
  5. Step 5: Solve for x
    x = 1,129,366,477.96/53,511.12
  6. Step 6: Final answer
    x = 21,105.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.