Home / 16,983.04-23,436.48-9,812.80

Finding the Fourth Proportional to 16,983.04, 23,436.48 and 9,812.80

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Solution

The fourth proportional to 16,983.04, 23,436.48 and 9,812.80 is: 13,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.04 : 23,436.48 = 9,812.80 : x
  2. Step 2: Convert to fraction form
    16,983.04/23,436.48 = 9,812.80/x
  3. Step 3: Cross multiply
    16,983.04x = 23,436.48 × 9,812.80
  4. Step 4: Simplify right side
    16,983.04x = 229,977,490.94
  5. Step 5: Solve for x
    x = 229,977,490.94/16,983.04
  6. Step 6: Final answer
    x = 13,541.60

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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.