Home / 25,007.40-34,508.82-13,674.64

Finding the Fourth Proportional to 25,007.40, 34,508.82 and 13,674.64

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Solution

The fourth proportional to 25,007.40, 34,508.82 and 13,674.64 is: 18,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.40 : 34,508.82 = 13,674.64 : x
  2. Step 2: Convert to fraction form
    25,007.40/34,508.82 = 13,674.64/x
  3. Step 3: Cross multiply
    25,007.40x = 34,508.82 × 13,674.64
  4. Step 4: Simplify right side
    25,007.40x = 471,895,690.32
  5. Step 5: Solve for x
    x = 471,895,690.32/25,007.40
  6. Step 6: Final answer
    x = 18,870.24

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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.