Home / 17,877.03-24,671.46-9,920.13

Finding the Fourth Proportional to 17,877.03, 24,671.46 and 9,920.13

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Solution

The fourth proportional to 17,877.03, 24,671.46 and 9,920.13 is: 13,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877.03 : 24,671.46 = 9,920.13 : x
  2. Step 2: Convert to fraction form
    17,877.03/24,671.46 = 9,920.13/x
  3. Step 3: Cross multiply
    17,877.03x = 24,671.46 × 9,920.13
  4. Step 4: Simplify right side
    17,877.03x = 244,744,090.49
  5. Step 5: Solve for x
    x = 244,744,090.49/17,877.03
  6. Step 6: Final answer
    x = 13,690.42

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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.