Home / 13,599.76-20,359.80-10,325.68

Finding the Fourth Proportional to 13,599.76, 20,359.80 and 10,325.68

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Solution

The fourth proportional to 13,599.76, 20,359.80 and 10,325.68 is: 15,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.76 : 20,359.80 = 10,325.68 : x
  2. Step 2: Convert to fraction form
    13,599.76/20,359.80 = 10,325.68/x
  3. Step 3: Cross multiply
    13,599.76x = 20,359.80 × 10,325.68
  4. Step 4: Simplify right side
    13,599.76x = 210,228,779.66
  5. Step 5: Solve for x
    x = 210,228,779.66/13,599.76
  6. Step 6: Final answer
    x = 15,458.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.