Home / 25,400.58-35,056.82-15,330.46

Finding the Fourth Proportional to 25,400.58, 35,056.82 and 15,330.46

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Solution

The fourth proportional to 25,400.58, 35,056.82 and 15,330.46 is: 21,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.58 : 35,056.82 = 15,330.46 : x
  2. Step 2: Convert to fraction form
    25,400.58/35,056.82 = 15,330.46/x
  3. Step 3: Cross multiply
    25,400.58x = 35,056.82 × 15,330.46
  4. Step 4: Simplify right side
    25,400.58x = 537,437,100.08
  5. Step 5: Solve for x
    x = 537,437,100.08/25,400.58
  6. Step 6: Final answer
    x = 21,158.46

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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.