Home / 23,305.12-34,962.80-17,130.40

Finding the Fourth Proportional to 23,305.12, 34,962.80 and 17,130.40

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Solution

The fourth proportional to 23,305.12, 34,962.80 and 17,130.40 is: 25,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,305.12 : 34,962.80 = 17,130.40 : x
  2. Step 2: Convert to fraction form
    23,305.12/34,962.80 = 17,130.40/x
  3. Step 3: Cross multiply
    23,305.12x = 34,962.80 × 17,130.40
  4. Step 4: Simplify right side
    23,305.12x = 598,926,749.12
  5. Step 5: Solve for x
    x = 598,926,749.12/23,305.12
  6. Step 6: Final answer
    x = 25,699.36

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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.