Home / 23,190.36-32,002.56-12,579.76

Finding the Fourth Proportional to 23,190.36, 32,002.56 and 12,579.76

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Solution

The fourth proportional to 23,190.36, 32,002.56 and 12,579.76 is: 17,359.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.36 : 32,002.56 = 12,579.76 : x
  2. Step 2: Convert to fraction form
    23,190.36/32,002.56 = 12,579.76/x
  3. Step 3: Cross multiply
    23,190.36x = 32,002.56 × 12,579.76
  4. Step 4: Simplify right side
    23,190.36x = 402,584,524.19
  5. Step 5: Solve for x
    x = 402,584,524.19/23,190.36
  6. Step 6: Final answer
    x = 17,359.99

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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.