Home / 23,400.07-32,292.13-12,789.67

Finding the Fourth Proportional to 23,400.07, 32,292.13 and 12,789.67

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Solution

The fourth proportional to 23,400.07, 32,292.13 and 12,789.67 is: 17,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,400.07 : 32,292.13 = 12,789.67 : x
  2. Step 2: Convert to fraction form
    23,400.07/32,292.13 = 12,789.67/x
  3. Step 3: Cross multiply
    23,400.07x = 32,292.13 × 12,789.67
  4. Step 4: Simplify right side
    23,400.07x = 413,005,686.30
  5. Step 5: Solve for x
    x = 413,005,686.30/23,400.07
  6. Step 6: Final answer
    x = 17,649.76

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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.