Home / 25,142.96-34,617.84-19,155.44

Finding the Fourth Proportional to 25,142.96, 34,617.84 and 19,155.44

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Solution

The fourth proportional to 25,142.96, 34,617.84 and 19,155.44 is: 26,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.96 : 34,617.84 = 19,155.44 : x
  2. Step 2: Convert to fraction form
    25,142.96/34,617.84 = 19,155.44/x
  3. Step 3: Cross multiply
    25,142.96x = 34,617.84 × 19,155.44
  4. Step 4: Simplify right side
    25,142.96x = 663,119,957.05
  5. Step 5: Solve for x
    x = 663,119,957.05/25,142.96
  6. Step 6: Final answer
    x = 26,373.98

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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.