Home / 25,402.12-35,033.22-15,328.42

Finding the Fourth Proportional to 25,402.12, 35,033.22 and 15,328.42

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Solution

The fourth proportional to 25,402.12, 35,033.22 and 15,328.42 is: 21,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,402.12 : 35,033.22 = 15,328.42 : x
  2. Step 2: Convert to fraction form
    25,402.12/35,033.22 = 15,328.42/x
  3. Step 3: Cross multiply
    25,402.12x = 35,033.22 × 15,328.42
  4. Step 4: Simplify right side
    25,402.12x = 537,003,910.11
  5. Step 5: Solve for x
    x = 537,003,910.11/25,402.12
  6. Step 6: Final answer
    x = 21,140.12

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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.