Home / 25,149.66-34,707.08-13,819.32

Finding the Fourth Proportional to 25,149.66, 34,707.08 and 13,819.32

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Solution

The fourth proportional to 25,149.66, 34,707.08 and 13,819.32 is: 19,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.66 : 34,707.08 = 13,819.32 : x
  2. Step 2: Convert to fraction form
    25,149.66/34,707.08 = 13,819.32/x
  3. Step 3: Cross multiply
    25,149.66x = 34,707.08 × 13,819.32
  4. Step 4: Simplify right side
    25,149.66x = 479,628,244.79
  5. Step 5: Solve for x
    x = 479,628,244.79/25,149.66
  6. Step 6: Final answer
    x = 19,070.96

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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.