Home / 23,235.23-32,090.91-15,312.62

Finding the Fourth Proportional to 23,235.23, 32,090.91 and 15,312.62

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Solution

The fourth proportional to 23,235.23, 32,090.91 and 15,312.62 is: 21,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,235.23 : 32,090.91 = 15,312.62 : x
  2. Step 2: Convert to fraction form
    23,235.23/32,090.91 = 15,312.62/x
  3. Step 3: Cross multiply
    23,235.23x = 32,090.91 × 15,312.62
  4. Step 4: Simplify right side
    23,235.23x = 491,395,910.28
  5. Step 5: Solve for x
    x = 491,395,910.28/23,235.23
  6. Step 6: Final answer
    x = 21,148.74

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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.