Home / 23,291.05-32,140.59-12,680.66

Finding the Fourth Proportional to 23,291.05, 32,140.59 and 12,680.66

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Solution

The fourth proportional to 23,291.05, 32,140.59 and 12,680.66 is: 17,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.05 : 32,140.59 = 12,680.66 : x
  2. Step 2: Convert to fraction form
    23,291.05/32,140.59 = 12,680.66/x
  3. Step 3: Cross multiply
    23,291.05x = 32,140.59 × 12,680.66
  4. Step 4: Simplify right side
    23,291.05x = 407,563,893.99
  5. Step 5: Solve for x
    x = 407,563,893.99/23,291.05
  6. Step 6: Final answer
    x = 17,498.73

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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.