Home / 25,147.42-34,703.45-13,817.64

Finding the Fourth Proportional to 25,147.42, 34,703.45 and 13,817.64

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Solution

The fourth proportional to 25,147.42, 34,703.45 and 13,817.64 is: 19,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.42 : 34,703.45 = 13,817.64 : x
  2. Step 2: Convert to fraction form
    25,147.42/34,703.45 = 13,817.64/x
  3. Step 3: Cross multiply
    25,147.42x = 34,703.45 × 13,817.64
  4. Step 4: Simplify right side
    25,147.42x = 479,519,778.86
  5. Step 5: Solve for x
    x = 479,519,778.86/25,147.42
  6. Step 6: Final answer
    x = 19,068.35

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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.