Home / 13,322.38-19,973.22-8,632.48

Finding the Fourth Proportional to 13,322.38, 19,973.22 and 8,632.48

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Solution

The fourth proportional to 13,322.38, 19,973.22 and 8,632.48 is: 12,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.38 : 19,973.22 = 8,632.48 : x
  2. Step 2: Convert to fraction form
    13,322.38/19,973.22 = 8,632.48/x
  3. Step 3: Cross multiply
    13,322.38x = 19,973.22 × 8,632.48
  4. Step 4: Simplify right side
    13,322.38x = 172,418,422.19
  5. Step 5: Solve for x
    x = 172,418,422.19/13,322.38
  6. Step 6: Final answer
    x = 12,942.01

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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.