Home / 23,137.43-31,929.66-12,527.06

Finding the Fourth Proportional to 23,137.43, 31,929.66 and 12,527.06

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Solution

The fourth proportional to 23,137.43, 31,929.66 and 12,527.06 is: 17,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.43 : 31,929.66 = 12,527.06 : x
  2. Step 2: Convert to fraction form
    23,137.43/31,929.66 = 12,527.06/x
  3. Step 3: Cross multiply
    23,137.43x = 31,929.66 × 12,527.06
  4. Step 4: Simplify right side
    23,137.43x = 399,984,606.95
  5. Step 5: Solve for x
    x = 399,984,606.95/23,137.43
  6. Step 6: Final answer
    x = 17,287.34

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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.