Home / 14,528.38-21,765.07-8,587.48

Finding the Fourth Proportional to 14,528.38, 21,765.07 and 8,587.48

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Solution

The fourth proportional to 14,528.38, 21,765.07 and 8,587.48 is: 12,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.38 : 21,765.07 = 8,587.48 : x
  2. Step 2: Convert to fraction form
    14,528.38/21,765.07 = 8,587.48/x
  3. Step 3: Cross multiply
    14,528.38x = 21,765.07 × 8,587.48
  4. Step 4: Simplify right side
    14,528.38x = 186,907,103.32
  5. Step 5: Solve for x
    x = 186,907,103.32/14,528.38
  6. Step 6: Final answer
    x = 12,864.97

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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.