Home / 25,681.05-35,420.34-22,101.96

Finding the Fourth Proportional to 25,681.05, 35,420.34 and 22,101.96

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Solution

The fourth proportional to 25,681.05, 35,420.34 and 22,101.96 is: 30,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.05 : 35,420.34 = 22,101.96 : x
  2. Step 2: Convert to fraction form
    25,681.05/35,420.34 = 22,101.96/x
  3. Step 3: Cross multiply
    25,681.05x = 35,420.34 × 22,101.96
  4. Step 4: Simplify right side
    25,681.05x = 782,858,937.87
  5. Step 5: Solve for x
    x = 782,858,937.87/25,681.05
  6. Step 6: Final answer
    x = 30,483.91

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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.