Home / 23,421.05-32,320.23-13,352.73

Finding the Fourth Proportional to 23,421.05, 32,320.23 and 13,352.73

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Solution

The fourth proportional to 23,421.05, 32,320.23 and 13,352.73 is: 18,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.05 : 32,320.23 = 13,352.73 : x
  2. Step 2: Convert to fraction form
    23,421.05/32,320.23 = 13,352.73/x
  3. Step 3: Cross multiply
    23,421.05x = 32,320.23 × 13,352.73
  4. Step 4: Simplify right side
    23,421.05x = 431,563,390.36
  5. Step 5: Solve for x
    x = 431,563,390.36/23,421.05
  6. Step 6: Final answer
    x = 18,426.31

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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.