Home / 16,966.08-23,396.52-12,943.20

Finding the Fourth Proportional to 16,966.08, 23,396.52 and 12,943.20

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Solution

The fourth proportional to 16,966.08, 23,396.52 and 12,943.20 is: 17,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.08 : 23,396.52 = 12,943.20 : x
  2. Step 2: Convert to fraction form
    16,966.08/23,396.52 = 12,943.20/x
  3. Step 3: Cross multiply
    16,966.08x = 23,396.52 × 12,943.20
  4. Step 4: Simplify right side
    16,966.08x = 302,825,837.66
  5. Step 5: Solve for x
    x = 302,825,837.66/16,966.08
  6. Step 6: Final answer
    x = 17,848.90

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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.