Home / 25,506.61-35,175.58-15,943.45

Finding the Fourth Proportional to 25,506.61, 35,175.58 and 15,943.45

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Solution

The fourth proportional to 25,506.61, 35,175.58 and 15,943.45 is: 21,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,506.61 : 35,175.58 = 15,943.45 : x
  2. Step 2: Convert to fraction form
    25,506.61/35,175.58 = 15,943.45/x
  3. Step 3: Cross multiply
    25,506.61x = 35,175.58 × 15,943.45
  4. Step 4: Simplify right side
    25,506.61x = 560,819,845.36
  5. Step 5: Solve for x
    x = 560,819,845.36/25,506.61
  6. Step 6: Final answer
    x = 21,987.24

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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.