Home / 25,509.42-35,175.53-15,945.82

Finding the Fourth Proportional to 25,509.42, 35,175.53 and 15,945.82

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Solution

The fourth proportional to 25,509.42, 35,175.53 and 15,945.82 is: 21,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509.42 : 35,175.53 = 15,945.82 : x
  2. Step 2: Convert to fraction form
    25,509.42/35,175.53 = 15,945.82/x
  3. Step 3: Cross multiply
    25,509.42x = 35,175.53 × 15,945.82
  4. Step 4: Simplify right side
    25,509.42x = 560,902,621.71
  5. Step 5: Solve for x
    x = 560,902,621.71/25,509.42
  6. Step 6: Final answer
    x = 21,988.06

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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.