Home / 25,725.84-35,475.57-15,644.46

Finding the Fourth Proportional to 25,725.84, 35,475.57 and 15,644.46

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Solution

The fourth proportional to 25,725.84, 35,475.57 and 15,644.46 is: 21,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.84 : 35,475.57 = 15,644.46 : x
  2. Step 2: Convert to fraction form
    25,725.84/35,475.57 = 15,644.46/x
  3. Step 3: Cross multiply
    25,725.84x = 35,475.57 × 15,644.46
  4. Step 4: Simplify right side
    25,725.84x = 554,996,135.84
  5. Step 5: Solve for x
    x = 554,996,135.84/25,725.84
  6. Step 6: Final answer
    x = 21,573.49

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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.