Home / 14,693.48-20,277.78-8,406.92

Finding the Fourth Proportional to 14,693.48, 20,277.78 and 8,406.92

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Solution

The fourth proportional to 14,693.48, 20,277.78 and 8,406.92 is: 11,601.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.48 : 20,277.78 = 8,406.92 : x
  2. Step 2: Convert to fraction form
    14,693.48/20,277.78 = 8,406.92/x
  3. Step 3: Cross multiply
    14,693.48x = 20,277.78 × 8,406.92
  4. Step 4: Simplify right side
    14,693.48x = 170,473,674.24
  5. Step 5: Solve for x
    x = 170,473,674.24/14,693.48
  6. Step 6: Final answer
    x = 11,601.99

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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.