Home / 25,481.90-35,158.10-14,303.66

Finding the Fourth Proportional to 25,481.90, 35,158.10 and 14,303.66

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Solution

The fourth proportional to 25,481.90, 35,158.10 and 14,303.66 is: 19,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.90 : 35,158.10 = 14,303.66 : x
  2. Step 2: Convert to fraction form
    25,481.90/35,158.10 = 14,303.66/x
  3. Step 3: Cross multiply
    25,481.90x = 35,158.10 × 14,303.66
  4. Step 4: Simplify right side
    25,481.90x = 502,889,508.65
  5. Step 5: Solve for x
    x = 502,889,508.65/25,481.90
  6. Step 6: Final answer
    x = 19,735.17

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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.