Home / 25,984.96-35,868.80-15,378.24

Finding the Fourth Proportional to 25,984.96, 35,868.80 and 15,378.24

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Solution

The fourth proportional to 25,984.96, 35,868.80 and 15,378.24 is: 21,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,984.96 : 35,868.80 = 15,378.24 : x
  2. Step 2: Convert to fraction form
    25,984.96/35,868.80 = 15,378.24/x
  3. Step 3: Cross multiply
    25,984.96x = 35,868.80 × 15,378.24
  4. Step 4: Simplify right side
    25,984.96x = 551,599,014.91
  5. Step 5: Solve for x
    x = 551,599,014.91/25,984.96
  6. Step 6: Final answer
    x = 21,227.63

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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.