Home / 23,190.10-32,002.49-12,579.91

Finding the Fourth Proportional to 23,190.10, 32,002.49 and 12,579.91

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Solution

The fourth proportional to 23,190.10, 32,002.49 and 12,579.91 is: 17,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.10 : 32,002.49 = 12,579.91 : x
  2. Step 2: Convert to fraction form
    23,190.10/32,002.49 = 12,579.91/x
  3. Step 3: Cross multiply
    23,190.10x = 32,002.49 × 12,579.91
  4. Step 4: Simplify right side
    23,190.10x = 402,588,395.42
  5. Step 5: Solve for x
    x = 402,588,395.42/23,190.10
  6. Step 6: Final answer
    x = 17,360.36

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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.