Home / 23,137.34-31,929.55-12,526.99

Finding the Fourth Proportional to 23,137.34, 31,929.55 and 12,526.99

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Solution

The fourth proportional to 23,137.34, 31,929.55 and 12,526.99 is: 17,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.34 : 31,929.55 = 12,526.99 : x
  2. Step 2: Convert to fraction form
    23,137.34/31,929.55 = 12,526.99/x
  3. Step 3: Cross multiply
    23,137.34x = 31,929.55 × 12,526.99
  4. Step 4: Simplify right side
    23,137.34x = 399,981,042.41
  5. Step 5: Solve for x
    x = 399,981,042.41/23,137.34
  6. Step 6: Final answer
    x = 17,287.26

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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.