Home / 15,600.77-21,528.06-8,886.27

Finding the Fourth Proportional to 15,600.77, 21,528.06 and 8,886.27

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Solution

The fourth proportional to 15,600.77, 21,528.06 and 8,886.27 is: 12,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.77 : 21,528.06 = 8,886.27 : x
  2. Step 2: Convert to fraction form
    15,600.77/21,528.06 = 8,886.27/x
  3. Step 3: Cross multiply
    15,600.77x = 21,528.06 × 8,886.27
  4. Step 4: Simplify right side
    15,600.77x = 191,304,153.74
  5. Step 5: Solve for x
    x = 191,304,153.74/15,600.77
  6. Step 6: Final answer
    x = 12,262.49

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Half scale
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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.