Home / 14,693.79-20,277.23-8,320.22

Finding the Fourth Proportional to 14,693.79, 20,277.23 and 8,320.22

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Solution

The fourth proportional to 14,693.79, 20,277.23 and 8,320.22 is: 11,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.79 : 20,277.23 = 8,320.22 : x
  2. Step 2: Convert to fraction form
    14,693.79/20,277.23 = 8,320.22/x
  3. Step 3: Cross multiply
    14,693.79x = 20,277.23 × 8,320.22
  4. Step 4: Simplify right side
    14,693.79x = 168,710,947.64
  5. Step 5: Solve for x
    x = 168,710,947.64/14,693.79
  6. Step 6: Final answer
    x = 11,481.78

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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.