Home / 16,996.40-23,448.49-12,530.77

Finding the Fourth Proportional to 16,996.40, 23,448.49 and 12,530.77

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Solution

The fourth proportional to 16,996.40, 23,448.49 and 12,530.77 is: 17,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.40 : 23,448.49 = 12,530.77 : x
  2. Step 2: Convert to fraction form
    16,996.40/23,448.49 = 12,530.77/x
  3. Step 3: Cross multiply
    16,996.40x = 23,448.49 × 12,530.77
  4. Step 4: Simplify right side
    16,996.40x = 293,827,545.09
  5. Step 5: Solve for x
    x = 293,827,545.09/16,996.40
  6. Step 6: Final answer
    x = 17,287.64

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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.