Home / 14,527.89-20,047.60-8,153.39

Finding the Fourth Proportional to 14,527.89, 20,047.60 and 8,153.39

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Solution

The fourth proportional to 14,527.89, 20,047.60 and 8,153.39 is: 11,251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,527.89 : 20,047.60 = 8,153.39 : x
  2. Step 2: Convert to fraction form
    14,527.89/20,047.60 = 8,153.39/x
  3. Step 3: Cross multiply
    14,527.89x = 20,047.60 × 8,153.39
  4. Step 4: Simplify right side
    14,527.89x = 163,455,961.67
  5. Step 5: Solve for x
    x = 163,455,961.67/14,527.89
  6. Step 6: Final answer
    x = 11,251.18

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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.