Home / 13,424.76-18,525.58-7,455.96

Finding the Fourth Proportional to 13,424.76, 18,525.58 and 7,455.96

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Solution

The fourth proportional to 13,424.76, 18,525.58 and 7,455.96 is: 10,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.76 : 18,525.58 = 7,455.96 : x
  2. Step 2: Convert to fraction form
    13,424.76/18,525.58 = 7,455.96/x
  3. Step 3: Cross multiply
    13,424.76x = 18,525.58 × 7,455.96
  4. Step 4: Simplify right side
    13,424.76x = 138,125,964.82
  5. Step 5: Solve for x
    x = 138,125,964.82/13,424.76
  6. Step 6: Final answer
    x = 10,288.90

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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.