Home / 14,599.12-20,146.79-7,884.75

Finding the Fourth Proportional to 14,599.12, 20,146.79 and 7,884.75

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Solution

The fourth proportional to 14,599.12, 20,146.79 and 7,884.75 is: 10,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.12 : 20,146.79 = 7,884.75 : x
  2. Step 2: Convert to fraction form
    14,599.12/20,146.79 = 7,884.75/x
  3. Step 3: Cross multiply
    14,599.12x = 20,146.79 × 7,884.75
  4. Step 4: Simplify right side
    14,599.12x = 158,852,402.45
  5. Step 5: Solve for x
    x = 158,852,402.45/14,599.12
  6. Step 6: Final answer
    x = 10,880.96

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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.