Home / 22,458.56-30,995.67-18,675.21

Finding the Fourth Proportional to 22,458.56, 30,995.67 and 18,675.21

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Solution

The fourth proportional to 22,458.56, 30,995.67 and 18,675.21 is: 25,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.56 : 30,995.67 = 18,675.21 : x
  2. Step 2: Convert to fraction form
    22,458.56/30,995.67 = 18,675.21/x
  3. Step 3: Cross multiply
    22,458.56x = 30,995.67 × 18,675.21
  4. Step 4: Simplify right side
    22,458.56x = 578,850,646.34
  5. Step 5: Solve for x
    x = 578,850,646.34/22,458.56
  6. Step 6: Final answer
    x = 25,774.17

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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.