Home / 14,493.11-19,955.71-11,319.23

Finding the Fourth Proportional to 14,493.11, 19,955.71 and 11,319.23

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Solution

The fourth proportional to 14,493.11, 19,955.71 and 11,319.23 is: 15,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.11 : 19,955.71 = 11,319.23 : x
  2. Step 2: Convert to fraction form
    14,493.11/19,955.71 = 11,319.23/x
  3. Step 3: Cross multiply
    14,493.11x = 19,955.71 × 11,319.23
  4. Step 4: Simplify right side
    14,493.11x = 225,883,271.30
  5. Step 5: Solve for x
    x = 225,883,271.30/14,493.11
  6. Step 6: Final answer
    x = 15,585.56

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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.