Home / 14,941.80-20,615.14-8,652.96

Finding the Fourth Proportional to 14,941.80, 20,615.14 and 8,652.96

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Solution

The fourth proportional to 14,941.80, 20,615.14 and 8,652.96 is: 11,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,941.80 : 20,615.14 = 8,652.96 : x
  2. Step 2: Convert to fraction form
    14,941.80/20,615.14 = 8,652.96/x
  3. Step 3: Cross multiply
    14,941.80x = 20,615.14 × 8,652.96
  4. Step 4: Simplify right side
    14,941.80x = 178,381,981.81
  5. Step 5: Solve for x
    x = 178,381,981.81/14,941.80
  6. Step 6: Final answer
    x = 11,938.45

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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.