Home / 23,140.89-34,685.10-9,805.58

Finding the Fourth Proportional to 23,140.89, 34,685.10 and 9,805.58

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Solution

The fourth proportional to 23,140.89, 34,685.10 and 9,805.58 is: 14,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.89 : 34,685.10 = 9,805.58 : x
  2. Step 2: Convert to fraction form
    23,140.89/34,685.10 = 9,805.58/x
  3. Step 3: Cross multiply
    23,140.89x = 34,685.10 × 9,805.58
  4. Step 4: Simplify right side
    23,140.89x = 340,107,563.26
  5. Step 5: Solve for x
    x = 340,107,563.26/23,140.89
  6. Step 6: Final answer
    x = 14,697.26

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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.