Home / 25,495.85-35,226.51-20,159.12

Finding the Fourth Proportional to 25,495.85, 35,226.51 and 20,159.12

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Solution

The fourth proportional to 25,495.85, 35,226.51 and 20,159.12 is: 27,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495.85 : 35,226.51 = 20,159.12 : x
  2. Step 2: Convert to fraction form
    25,495.85/35,226.51 = 20,159.12/x
  3. Step 3: Cross multiply
    25,495.85x = 35,226.51 × 20,159.12
  4. Step 4: Simplify right side
    25,495.85x = 710,135,442.27
  5. Step 5: Solve for x
    x = 710,135,442.27/25,495.85
  6. Step 6: Final answer
    x = 27,852.98

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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.