Home / 16,886.04-23,305.62-9,816.56

Finding the Fourth Proportional to 16,886.04, 23,305.62 and 9,816.56

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Solution

The fourth proportional to 16,886.04, 23,305.62 and 9,816.56 is: 13,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.04 : 23,305.62 = 9,816.56 : x
  2. Step 2: Convert to fraction form
    16,886.04/23,305.62 = 9,816.56/x
  3. Step 3: Cross multiply
    16,886.04x = 23,305.62 × 9,816.56
  4. Step 4: Simplify right side
    16,886.04x = 228,781,024.75
  5. Step 5: Solve for x
    x = 228,781,024.75/16,886.04
  6. Step 6: Final answer
    x = 13,548.53

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Half scale
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Double scale
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Similar ratio
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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.