Home / 12,901.60-19,317.64-6,732.64

Finding the Fourth Proportional to 12,901.60, 19,317.64 and 6,732.64

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Solution

The fourth proportional to 12,901.60, 19,317.64 and 6,732.64 is: 10,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.60 : 19,317.64 = 6,732.64 : x
  2. Step 2: Convert to fraction form
    12,901.60/19,317.64 = 6,732.64/x
  3. Step 3: Cross multiply
    12,901.60x = 19,317.64 × 6,732.64
  4. Step 4: Simplify right side
    12,901.60x = 130,058,715.77
  5. Step 5: Solve for x
    x = 130,058,715.77/12,901.60
  6. Step 6: Final answer
    x = 10,080.82

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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.