Home / 16,756.36-23,130.24-12,576.76

Finding the Fourth Proportional to 16,756.36, 23,130.24 and 12,576.76

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Solution

The fourth proportional to 16,756.36, 23,130.24 and 12,576.76 is: 17,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.36 : 23,130.24 = 12,576.76 : x
  2. Step 2: Convert to fraction form
    16,756.36/23,130.24 = 12,576.76/x
  3. Step 3: Cross multiply
    16,756.36x = 23,130.24 × 12,576.76
  4. Step 4: Simplify right side
    16,756.36x = 290,903,477.22
  5. Step 5: Solve for x
    x = 290,903,477.22/16,756.36
  6. Step 6: Final answer
    x = 17,360.78

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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.