Home / 25,025.85-34,535.67-13,695.35

Finding the Fourth Proportional to 25,025.85, 34,535.67 and 13,695.35

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Solution

The fourth proportional to 25,025.85, 34,535.67 and 13,695.35 is: 18,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,025.85 : 34,535.67 = 13,695.35 : x
  2. Step 2: Convert to fraction form
    25,025.85/34,535.67 = 13,695.35/x
  3. Step 3: Cross multiply
    25,025.85x = 34,535.67 × 13,695.35
  4. Step 4: Simplify right side
    25,025.85x = 472,978,174.47
  5. Step 5: Solve for x
    x = 472,978,174.47/25,025.85
  6. Step 6: Final answer
    x = 18,899.58

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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.