Home / 22,739.97-31,381.51-13,050.98

Finding the Fourth Proportional to 22,739.97, 31,381.51 and 13,050.98

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Solution

The fourth proportional to 22,739.97, 31,381.51 and 13,050.98 is: 18,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,739.97 : 31,381.51 = 13,050.98 : x
  2. Step 2: Convert to fraction form
    22,739.97/31,381.51 = 13,050.98/x
  3. Step 3: Cross multiply
    22,739.97x = 31,381.51 × 13,050.98
  4. Step 4: Simplify right side
    22,739.97x = 409,559,459.38
  5. Step 5: Solve for x
    x = 409,559,459.38/22,739.97
  6. Step 6: Final answer
    x = 18,010.55

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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.