Home / 23,137.24-31,929.40-12,526.96

Finding the Fourth Proportional to 23,137.24, 31,929.40 and 12,526.96

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Solution

The fourth proportional to 23,137.24, 31,929.40 and 12,526.96 is: 17,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.24 : 31,929.40 = 12,526.96 : x
  2. Step 2: Convert to fraction form
    23,137.24/31,929.40 = 12,526.96/x
  3. Step 3: Cross multiply
    23,137.24x = 31,929.40 × 12,526.96
  4. Step 4: Simplify right side
    23,137.24x = 399,978,316.62
  5. Step 5: Solve for x
    x = 399,978,316.62/23,137.24
  6. Step 6: Final answer
    x = 17,287.21

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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.