Home / 53,830.08-80,744.88-14,391.12

Finding the Fourth Proportional to 53,830.08, 80,744.88 and 14,391.12

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Solution

The fourth proportional to 53,830.08, 80,744.88 and 14,391.12 is: 21,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,830.08 : 80,744.88 = 14,391.12 : x
  2. Step 2: Convert to fraction form
    53,830.08/80,744.88 = 14,391.12/x
  3. Step 3: Cross multiply
    53,830.08x = 80,744.88 × 14,391.12
  4. Step 4: Simplify right side
    53,830.08x = 1,162,009,257.47
  5. Step 5: Solve for x
    x = 1,162,009,257.47/53,830.08
  6. Step 6: Final answer
    x = 21,586.62

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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.