Home / 16,839.04-23,239.97-9,671.20

Finding the Fourth Proportional to 16,839.04, 23,239.97 and 9,671.20

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Solution

The fourth proportional to 16,839.04, 23,239.97 and 9,671.20 is: 13,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.04 : 23,239.97 = 9,671.20 : x
  2. Step 2: Convert to fraction form
    16,839.04/23,239.97 = 9,671.20/x
  3. Step 3: Cross multiply
    16,839.04x = 23,239.97 × 9,671.20
  4. Step 4: Simplify right side
    16,839.04x = 224,758,397.86
  5. Step 5: Solve for x
    x = 224,758,397.86/16,839.04
  6. Step 6: Final answer
    x = 13,347.46

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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.