Home / 14,423.46-19,888.30-11,828.55

Finding the Fourth Proportional to 14,423.46, 19,888.30 and 11,828.55

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Solution

The fourth proportional to 14,423.46, 19,888.30 and 11,828.55 is: 16,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.46 : 19,888.30 = 11,828.55 : x
  2. Step 2: Convert to fraction form
    14,423.46/19,888.30 = 11,828.55/x
  3. Step 3: Cross multiply
    14,423.46x = 19,888.30 × 11,828.55
  4. Step 4: Simplify right side
    14,423.46x = 235,249,750.97
  5. Step 5: Solve for x
    x = 235,249,750.97/14,423.46
  6. Step 6: Final answer
    x = 16,310.22

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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.