Home / 17,205.40-25,670.39-15,334.30

Finding the Fourth Proportional to 17,205.40, 25,670.39 and 15,334.30

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Solution

The fourth proportional to 17,205.40, 25,670.39 and 15,334.30 is: 22,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.40 : 25,670.39 = 15,334.30 : x
  2. Step 2: Convert to fraction form
    17,205.40/25,670.39 = 15,334.30/x
  3. Step 3: Cross multiply
    17,205.40x = 25,670.39 × 15,334.30
  4. Step 4: Simplify right side
    17,205.40x = 393,637,461.38
  5. Step 5: Solve for x
    x = 393,637,461.38/17,205.40
  6. Step 6: Final answer
    x = 22,878.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.