Home / 16,986.73-23,444.47-9,913.13

Finding the Fourth Proportional to 16,986.73, 23,444.47 and 9,913.13

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Solution

The fourth proportional to 16,986.73, 23,444.47 and 9,913.13 is: 13,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.73 : 23,444.47 = 9,913.13 : x
  2. Step 2: Convert to fraction form
    16,986.73/23,444.47 = 9,913.13/x
  3. Step 3: Cross multiply
    16,986.73x = 23,444.47 × 9,913.13
  4. Step 4: Simplify right side
    16,986.73x = 232,408,078.89
  5. Step 5: Solve for x
    x = 232,408,078.89/16,986.73
  6. Step 6: Final answer
    x = 13,681.74

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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.