Home / 22,539.51-31,108.23-13,113.54

Finding the Fourth Proportional to 22,539.51, 31,108.23 and 13,113.54

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Solution

The fourth proportional to 22,539.51, 31,108.23 and 13,113.54 is: 18,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,539.51 : 31,108.23 = 13,113.54 : x
  2. Step 2: Convert to fraction form
    22,539.51/31,108.23 = 13,113.54/x
  3. Step 3: Cross multiply
    22,539.51x = 31,108.23 × 13,113.54
  4. Step 4: Simplify right side
    22,539.51x = 407,939,018.43
  5. Step 5: Solve for x
    x = 407,939,018.43/22,539.51
  6. Step 6: Final answer
    x = 18,098.84

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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.