Home / 25,007.60-34,509.21-13,674.90

Finding the Fourth Proportional to 25,007.60, 34,509.21 and 13,674.90

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Solution

The fourth proportional to 25,007.60, 34,509.21 and 13,674.90 is: 18,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.60 : 34,509.21 = 13,674.90 : x
  2. Step 2: Convert to fraction form
    25,007.60/34,509.21 = 13,674.90/x
  3. Step 3: Cross multiply
    25,007.60x = 34,509.21 × 13,674.90
  4. Step 4: Simplify right side
    25,007.60x = 471,909,917.70
  5. Step 5: Solve for x
    x = 471,909,917.70/25,007.60
  6. Step 6: Final answer
    x = 18,870.66

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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.