Home / 23,059.43-31,822.13-12,988.07

Finding the Fourth Proportional to 23,059.43, 31,822.13 and 12,988.07

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Solution

The fourth proportional to 23,059.43, 31,822.13 and 12,988.07 is: 17,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,059.43 : 31,822.13 = 12,988.07 : x
  2. Step 2: Convert to fraction form
    23,059.43/31,822.13 = 12,988.07/x
  3. Step 3: Cross multiply
    23,059.43x = 31,822.13 × 12,988.07
  4. Step 4: Simplify right side
    23,059.43x = 413,308,051.99
  5. Step 5: Solve for x
    x = 413,308,051.99/23,059.43
  6. Step 6: Final answer
    x = 17,923.60

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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.