Home / 13,314.02-19,975.82-5,712.12

Finding the Fourth Proportional to 13,314.02, 19,975.82 and 5,712.12

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Solution

The fourth proportional to 13,314.02, 19,975.82 and 5,712.12 is: 8,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.02 : 19,975.82 = 5,712.12 : x
  2. Step 2: Convert to fraction form
    13,314.02/19,975.82 = 5,712.12/x
  3. Step 3: Cross multiply
    13,314.02x = 19,975.82 × 5,712.12
  4. Step 4: Simplify right side
    13,314.02x = 114,104,252.38
  5. Step 5: Solve for x
    x = 114,104,252.38/13,314.02
  6. Step 6: Final answer
    x = 8,570.24

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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.