Home / 25,680.72-35,438.96-14,350.38

Finding the Fourth Proportional to 25,680.72, 35,438.96 and 14,350.38

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Solution

The fourth proportional to 25,680.72, 35,438.96 and 14,350.38 is: 19,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.72 : 35,438.96 = 14,350.38 : x
  2. Step 2: Convert to fraction form
    25,680.72/35,438.96 = 14,350.38/x
  3. Step 3: Cross multiply
    25,680.72x = 35,438.96 × 14,350.38
  4. Step 4: Simplify right side
    25,680.72x = 508,562,542.80
  5. Step 5: Solve for x
    x = 508,562,542.80/25,680.72
  6. Step 6: Final answer
    x = 19,803.28

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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.