Home / 25,400.06-35,053.34-15,328.34

Finding the Fourth Proportional to 25,400.06, 35,053.34 and 15,328.34

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Solution

The fourth proportional to 25,400.06, 35,053.34 and 15,328.34 is: 21,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.06 : 35,053.34 = 15,328.34 : x
  2. Step 2: Convert to fraction form
    25,400.06/35,053.34 = 15,328.34/x
  3. Step 3: Cross multiply
    25,400.06x = 35,053.34 × 15,328.34
  4. Step 4: Simplify right side
    25,400.06x = 537,309,261.75
  5. Step 5: Solve for x
    x = 537,309,261.75/25,400.06
  6. Step 6: Final answer
    x = 21,153.86

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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.