Home / 14,975.52-20,675.10-13,314.90

Finding the Fourth Proportional to 14,975.52, 20,675.10 and 13,314.90

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Solution

The fourth proportional to 14,975.52, 20,675.10 and 13,314.90 is: 18,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.52 : 20,675.10 = 13,314.90 : x
  2. Step 2: Convert to fraction form
    14,975.52/20,675.10 = 13,314.90/x
  3. Step 3: Cross multiply
    14,975.52x = 20,675.10 × 13,314.90
  4. Step 4: Simplify right side
    14,975.52x = 275,286,888.99
  5. Step 5: Solve for x
    x = 275,286,888.99/14,975.52
  6. Step 6: Final answer
    x = 18,382.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.