Home / 23,451.08-32,362.47-12,840.71

Finding the Fourth Proportional to 23,451.08, 32,362.47 and 12,840.71

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Solution

The fourth proportional to 23,451.08, 32,362.47 and 12,840.71 is: 17,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,451.08 : 32,362.47 = 12,840.71 : x
  2. Step 2: Convert to fraction form
    23,451.08/32,362.47 = 12,840.71/x
  3. Step 3: Cross multiply
    23,451.08x = 32,362.47 × 12,840.71
  4. Step 4: Simplify right side
    23,451.08x = 415,556,930.34
  5. Step 5: Solve for x
    x = 415,556,930.34/23,451.08
  6. Step 6: Final answer
    x = 17,720.17

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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.