Home / 14,599.14-20,145.66-9,555.39

Finding the Fourth Proportional to 14,599.14, 20,145.66 and 9,555.39

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Solution

The fourth proportional to 14,599.14, 20,145.66 and 9,555.39 is: 13,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.14 : 20,145.66 = 9,555.39 : x
  2. Step 2: Convert to fraction form
    14,599.14/20,145.66 = 9,555.39/x
  3. Step 3: Cross multiply
    14,599.14x = 20,145.66 × 9,555.39
  4. Step 4: Simplify right side
    14,599.14x = 192,499,638.11
  5. Step 5: Solve for x
    x = 192,499,638.11/14,599.14
  6. Step 6: Final answer
    x = 13,185.68

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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.