Home / 17,813.70-26,720.96-4,667.40

Finding the Fourth Proportional to 17,813.70, 26,720.96 and 4,667.40

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Solution

The fourth proportional to 17,813.70, 26,720.96 and 4,667.40 is: 7,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.70 : 26,720.96 = 4,667.40 : x
  2. Step 2: Convert to fraction form
    17,813.70/26,720.96 = 4,667.40/x
  3. Step 3: Cross multiply
    17,813.70x = 26,720.96 × 4,667.40
  4. Step 4: Simplify right side
    17,813.70x = 124,717,385.37
  5. Step 5: Solve for x
    x = 124,717,385.37/17,813.70
  6. Step 6: Final answer
    x = 7,001.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.