Home / 23,530.23-32,471.73-12,920.58

Finding the Fourth Proportional to 23,530.23, 32,471.73 and 12,920.58

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Solution

The fourth proportional to 23,530.23, 32,471.73 and 12,920.58 is: 17,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,530.23 : 32,471.73 = 12,920.58 : x
  2. Step 2: Convert to fraction form
    23,530.23/32,471.73 = 12,920.58/x
  3. Step 3: Cross multiply
    23,530.23x = 32,471.73 × 12,920.58
  4. Step 4: Simplify right side
    23,530.23x = 419,553,585.20
  5. Step 5: Solve for x
    x = 419,553,585.20/23,530.23
  6. Step 6: Final answer
    x = 17,830.41

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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.