Home / 22,990.23-31,723.65-12,917.48

Finding the Fourth Proportional to 22,990.23, 31,723.65 and 12,917.48

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Solution

The fourth proportional to 22,990.23, 31,723.65 and 12,917.48 is: 17,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.23 : 31,723.65 = 12,917.48 : x
  2. Step 2: Convert to fraction form
    22,990.23/31,723.65 = 12,917.48/x
  3. Step 3: Cross multiply
    22,990.23x = 31,723.65 × 12,917.48
  4. Step 4: Simplify right side
    22,990.23x = 409,789,455.78
  5. Step 5: Solve for x
    x = 409,789,455.78/22,990.23
  6. Step 6: Final answer
    x = 17,824.50

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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.