Home / 13,700.53-20,625.46-9,345.43

Finding the Fourth Proportional to 13,700.53, 20,625.46 and 9,345.43

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Solution

The fourth proportional to 13,700.53, 20,625.46 and 9,345.43 is: 14,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.53 : 20,625.46 = 9,345.43 : x
  2. Step 2: Convert to fraction form
    13,700.53/20,625.46 = 9,345.43/x
  3. Step 3: Cross multiply
    13,700.53x = 20,625.46 × 9,345.43
  4. Step 4: Simplify right side
    13,700.53x = 192,753,792.65
  5. Step 5: Solve for x
    x = 192,753,792.65/13,700.53
  6. Step 6: Final answer
    x = 14,069.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.