Home / 22,764.46-31,403.80-15,212.65

Finding the Fourth Proportional to 22,764.46, 31,403.80 and 15,212.65

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Solution

The fourth proportional to 22,764.46, 31,403.80 and 15,212.65 is: 20,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,764.46 : 31,403.80 = 15,212.65 : x
  2. Step 2: Convert to fraction form
    22,764.46/31,403.80 = 15,212.65/x
  3. Step 3: Cross multiply
    22,764.46x = 31,403.80 × 15,212.65
  4. Step 4: Simplify right side
    22,764.46x = 477,735,018.07
  5. Step 5: Solve for x
    x = 477,735,018.07/22,764.46
  6. Step 6: Final answer
    x = 20,986.00

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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.