Home / 15,827.92-21,848.03-9,116.23

Finding the Fourth Proportional to 15,827.92, 21,848.03 and 9,116.23

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Solution

The fourth proportional to 15,827.92, 21,848.03 and 9,116.23 is: 12,583.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.92 : 21,848.03 = 9,116.23 : x
  2. Step 2: Convert to fraction form
    15,827.92/21,848.03 = 9,116.23/x
  3. Step 3: Cross multiply
    15,827.92x = 21,848.03 × 9,116.23
  4. Step 4: Simplify right side
    15,827.92x = 199,171,511.71
  5. Step 5: Solve for x
    x = 199,171,511.71/15,827.92
  6. Step 6: Final answer
    x = 12,583.56

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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.