Home / 25,672.08-35,436.20-15,057.84

Finding the Fourth Proportional to 25,672.08, 35,436.20 and 15,057.84

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Solution

The fourth proportional to 25,672.08, 35,436.20 and 15,057.84 is: 20,784.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.08 : 35,436.20 = 15,057.84 : x
  2. Step 2: Convert to fraction form
    25,672.08/35,436.20 = 15,057.84/x
  3. Step 3: Cross multiply
    25,672.08x = 35,436.20 × 15,057.84
  4. Step 4: Simplify right side
    25,672.08x = 533,592,629.81
  5. Step 5: Solve for x
    x = 533,592,629.81/25,672.08
  6. Step 6: Final answer
    x = 20,784.94

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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.