Home / 23,190.08-32,005.20-15,238.88

Finding the Fourth Proportional to 23,190.08, 32,005.20 and 15,238.88

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Solution

The fourth proportional to 23,190.08, 32,005.20 and 15,238.88 is: 21,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.08 : 32,005.20 = 15,238.88 : x
  2. Step 2: Convert to fraction form
    23,190.08/32,005.20 = 15,238.88/x
  3. Step 3: Cross multiply
    23,190.08x = 32,005.20 × 15,238.88
  4. Step 4: Simplify right side
    23,190.08x = 487,723,402.18
  5. Step 5: Solve for x
    x = 487,723,402.18/23,190.08
  6. Step 6: Final answer
    x = 21,031.55

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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.