Home / 25,521.62-35,214.42-15,448.10

Finding the Fourth Proportional to 25,521.62, 35,214.42 and 15,448.10

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Solution

The fourth proportional to 25,521.62, 35,214.42 and 15,448.10 is: 21,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.62 : 35,214.42 = 15,448.10 : x
  2. Step 2: Convert to fraction form
    25,521.62/35,214.42 = 15,448.10/x
  3. Step 3: Cross multiply
    25,521.62x = 35,214.42 × 15,448.10
  4. Step 4: Simplify right side
    25,521.62x = 543,995,881.60
  5. Step 5: Solve for x
    x = 543,995,881.60/25,521.62
  6. Step 6: Final answer
    x = 21,315.10

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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.