Home / 16,913.68-23,331.24-9,839.28

Finding the Fourth Proportional to 16,913.68, 23,331.24 and 9,839.28

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Solution

The fourth proportional to 16,913.68, 23,331.24 and 9,839.28 is: 13,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.68 : 23,331.24 = 9,839.28 : x
  2. Step 2: Convert to fraction form
    16,913.68/23,331.24 = 9,839.28/x
  3. Step 3: Cross multiply
    16,913.68x = 23,331.24 × 9,839.28
  4. Step 4: Simplify right side
    16,913.68x = 229,562,603.11
  5. Step 5: Solve for x
    x = 229,562,603.11/16,913.68
  6. Step 6: Final answer
    x = 13,572.60

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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.