Home / 25,007.60-34,509.30-13,677.32

Finding the Fourth Proportional to 25,007.60, 34,509.30 and 13,677.32

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Solution

The fourth proportional to 25,007.60, 34,509.30 and 13,677.32 is: 18,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.60 : 34,509.30 = 13,677.32 : x
  2. Step 2: Convert to fraction form
    25,007.60/34,509.30 = 13,677.32/x
  3. Step 3: Cross multiply
    25,007.60x = 34,509.30 × 13,677.32
  4. Step 4: Simplify right side
    25,007.60x = 471,994,739.08
  5. Step 5: Solve for x
    x = 471,994,739.08/25,007.60
  6. Step 6: Final answer
    x = 18,874.05

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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.