Home / 12,303.45-18,462.47-11,525.09

Finding the Fourth Proportional to 12,303.45, 18,462.47 and 11,525.09

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Solution

The fourth proportional to 12,303.45, 18,462.47 and 11,525.09 is: 17,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.45 : 18,462.47 = 11,525.09 : x
  2. Step 2: Convert to fraction form
    12,303.45/18,462.47 = 11,525.09/x
  3. Step 3: Cross multiply
    12,303.45x = 18,462.47 × 11,525.09
  4. Step 4: Simplify right side
    12,303.45x = 212,781,478.43
  5. Step 5: Solve for x
    x = 212,781,478.43/12,303.45
  6. Step 6: Final answer
    x = 17,294.46

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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.