Home / 14,680.96-20,259.76-7,966.72

Finding the Fourth Proportional to 14,680.96, 20,259.76 and 7,966.72

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Solution

The fourth proportional to 14,680.96, 20,259.76 and 7,966.72 is: 10,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.96 : 20,259.76 = 7,966.72 : x
  2. Step 2: Convert to fraction form
    14,680.96/20,259.76 = 7,966.72/x
  3. Step 3: Cross multiply
    14,680.96x = 20,259.76 × 7,966.72
  4. Step 4: Simplify right side
    14,680.96x = 161,403,835.19
  5. Step 5: Solve for x
    x = 161,403,835.19/14,680.96
  6. Step 6: Final answer
    x = 10,994.09

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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.