Home / 16,839.90-23,235.12-10,124.46

Finding the Fourth Proportional to 16,839.90, 23,235.12 and 10,124.46

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Solution

The fourth proportional to 16,839.90, 23,235.12 and 10,124.46 is: 13,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.90 : 23,235.12 = 10,124.46 : x
  2. Step 2: Convert to fraction form
    16,839.90/23,235.12 = 10,124.46/x
  3. Step 3: Cross multiply
    16,839.90x = 23,235.12 × 10,124.46
  4. Step 4: Simplify right side
    16,839.90x = 235,243,043.04
  5. Step 5: Solve for x
    x = 235,243,043.04/16,839.90
  6. Step 6: Final answer
    x = 13,969.38

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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.