Home / 14,776.74-20,391.18-8,061.96

Finding the Fourth Proportional to 14,776.74, 20,391.18 and 8,061.96

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Solution

The fourth proportional to 14,776.74, 20,391.18 and 8,061.96 is: 11,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.74 : 20,391.18 = 8,061.96 : x
  2. Step 2: Convert to fraction form
    14,776.74/20,391.18 = 8,061.96/x
  3. Step 3: Cross multiply
    14,776.74x = 20,391.18 × 8,061.96
  4. Step 4: Simplify right side
    14,776.74x = 164,392,877.51
  5. Step 5: Solve for x
    x = 164,392,877.51/14,776.74
  6. Step 6: Final answer
    x = 11,125.11

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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.