Home / 25,471.46-35,164.53-15,402.56

Finding the Fourth Proportional to 25,471.46, 35,164.53 and 15,402.56

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Solution

The fourth proportional to 25,471.46, 35,164.53 and 15,402.56 is: 21,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.46 : 35,164.53 = 15,402.56 : x
  2. Step 2: Convert to fraction form
    25,471.46/35,164.53 = 15,402.56/x
  3. Step 3: Cross multiply
    25,471.46x = 35,164.53 × 15,402.56
  4. Step 4: Simplify right side
    25,471.46x = 541,623,607.37
  5. Step 5: Solve for x
    x = 541,623,607.37/25,471.46
  6. Step 6: Final answer
    x = 21,263.94

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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.