Home / 16,971-25,456.55-5,284.23

Finding the Fourth Proportional to 16,971, 25,456.55 and 5,284.23

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Solution

The fourth proportional to 16,971, 25,456.55 and 5,284.23 is: 7,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971 : 25,456.55 = 5,284.23 : x
  2. Step 2: Convert to fraction form
    16,971/25,456.55 = 5,284.23/x
  3. Step 3: Cross multiply
    16,971x = 25,456.55 × 5,284.23
  4. Step 4: Simplify right side
    16,971x = 134,518,238.79
  5. Step 5: Solve for x
    x = 134,518,238.79/16,971
  6. Step 6: Final answer
    x = 7,926.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.