Home / 25,680.56-35,438.76-14,350.28

Finding the Fourth Proportional to 25,680.56, 35,438.76 and 14,350.28

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Solution

The fourth proportional to 25,680.56, 35,438.76 and 14,350.28 is: 19,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.56 : 35,438.76 = 14,350.28 : x
  2. Step 2: Convert to fraction form
    25,680.56/35,438.76 = 14,350.28/x
  3. Step 3: Cross multiply
    25,680.56x = 35,438.76 × 14,350.28
  4. Step 4: Simplify right side
    25,680.56x = 508,555,951.66
  5. Step 5: Solve for x
    x = 508,555,951.66/25,680.56
  6. Step 6: Final answer
    x = 19,803.15

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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.