Home / 12,532.64-18,807.24-11,531.60

Finding the Fourth Proportional to 12,532.64, 18,807.24 and 11,531.60

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Solution

The fourth proportional to 12,532.64, 18,807.24 and 11,531.60 is: 17,305.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.64 : 18,807.24 = 11,531.60 : x
  2. Step 2: Convert to fraction form
    12,532.64/18,807.24 = 11,531.60/x
  3. Step 3: Cross multiply
    12,532.64x = 18,807.24 × 11,531.60
  4. Step 4: Simplify right side
    12,532.64x = 216,877,568.78
  5. Step 5: Solve for x
    x = 216,877,568.78/12,532.64
  6. Step 6: Final answer
    x = 17,305.02

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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.