Home / 25,770.51-35,562.70-15,160.82

Finding the Fourth Proportional to 25,770.51, 35,562.70 and 15,160.82

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Solution

The fourth proportional to 25,770.51, 35,562.70 and 15,160.82 is: 20,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.51 : 35,562.70 = 15,160.82 : x
  2. Step 2: Convert to fraction form
    25,770.51/35,562.70 = 15,160.82/x
  3. Step 3: Cross multiply
    25,770.51x = 35,562.70 × 15,160.82
  4. Step 4: Simplify right side
    25,770.51x = 539,159,617.61
  5. Step 5: Solve for x
    x = 539,159,617.61/25,770.51
  6. Step 6: Final answer
    x = 20,921.58

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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.