Home / 25,939.60-35,795.18-15,330.22

Finding the Fourth Proportional to 25,939.60, 35,795.18 and 15,330.22

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Solution

The fourth proportional to 25,939.60, 35,795.18 and 15,330.22 is: 21,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.60 : 35,795.18 = 15,330.22 : x
  2. Step 2: Convert to fraction form
    25,939.60/35,795.18 = 15,330.22/x
  3. Step 3: Cross multiply
    25,939.60x = 35,795.18 × 15,330.22
  4. Step 4: Simplify right side
    25,939.60x = 548,747,984.34
  5. Step 5: Solve for x
    x = 548,747,984.34/25,939.60
  6. Step 6: Final answer
    x = 21,154.84

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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.