Home / 22,523.91-31,050.04-15,789.21

Finding the Fourth Proportional to 22,523.91, 31,050.04 and 15,789.21

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Solution

The fourth proportional to 22,523.91, 31,050.04 and 15,789.21 is: 21,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,523.91 : 31,050.04 = 15,789.21 : x
  2. Step 2: Convert to fraction form
    22,523.91/31,050.04 = 15,789.21/x
  3. Step 3: Cross multiply
    22,523.91x = 31,050.04 × 15,789.21
  4. Step 4: Simplify right side
    22,523.91x = 490,255,602.07
  5. Step 5: Solve for x
    x = 490,255,602.07/22,523.91
  6. Step 6: Final answer
    x = 21,766.01

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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.