Home / 16,867.23-23,272.88-9,789.45

Finding the Fourth Proportional to 16,867.23, 23,272.88 and 9,789.45

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Solution

The fourth proportional to 16,867.23, 23,272.88 and 9,789.45 is: 13,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.23 : 23,272.88 = 9,789.45 : x
  2. Step 2: Convert to fraction form
    16,867.23/23,272.88 = 9,789.45/x
  3. Step 3: Cross multiply
    16,867.23x = 23,272.88 × 9,789.45
  4. Step 4: Simplify right side
    16,867.23x = 227,828,695.12
  5. Step 5: Solve for x
    x = 227,828,695.12/16,867.23
  6. Step 6: Final answer
    x = 13,507.18

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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.