Home / 16,681.68-23,015.88-9,605.52

Finding the Fourth Proportional to 16,681.68, 23,015.88 and 9,605.52

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Solution

The fourth proportional to 16,681.68, 23,015.88 and 9,605.52 is: 13,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.68 : 23,015.88 = 9,605.52 : x
  2. Step 2: Convert to fraction form
    16,681.68/23,015.88 = 9,605.52/x
  3. Step 3: Cross multiply
    16,681.68x = 23,015.88 × 9,605.52
  4. Step 4: Simplify right side
    16,681.68x = 221,079,495.66
  5. Step 5: Solve for x
    x = 221,079,495.66/16,681.68
  6. Step 6: Final answer
    x = 13,252.83

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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.