Home / 13,314.42-19,971.63-4,549.41

Finding the Fourth Proportional to 13,314.42, 19,971.63 and 4,549.41

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Solution

The fourth proportional to 13,314.42, 19,971.63 and 4,549.41 is: 6,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.42 : 19,971.63 = 4,549.41 : x
  2. Step 2: Convert to fraction form
    13,314.42/19,971.63 = 4,549.41/x
  3. Step 3: Cross multiply
    13,314.42x = 19,971.63 × 4,549.41
  4. Step 4: Simplify right side
    13,314.42x = 90,859,133.24
  5. Step 5: Solve for x
    x = 90,859,133.24/13,314.42
  6. Step 6: Final answer
    x = 6,824.12

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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.