Home / 12,807.14-17,673.30-9,448.74

Finding the Fourth Proportional to 12,807.14, 17,673.30 and 9,448.74

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Solution

The fourth proportional to 12,807.14, 17,673.30 and 9,448.74 is: 13,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807.14 : 17,673.30 = 9,448.74 : x
  2. Step 2: Convert to fraction form
    12,807.14/17,673.30 = 9,448.74/x
  3. Step 3: Cross multiply
    12,807.14x = 17,673.30 × 9,448.74
  4. Step 4: Simplify right side
    12,807.14x = 166,990,416.64
  5. Step 5: Solve for x
    x = 166,990,416.64/12,807.14
  6. Step 6: Final answer
    x = 13,038.86

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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.