Home / 14,315.76-19,770.75-9,851.04

Finding the Fourth Proportional to 14,315.76, 19,770.75 and 9,851.04

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Solution

The fourth proportional to 14,315.76, 19,770.75 and 9,851.04 is: 13,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.76 : 19,770.75 = 9,851.04 : x
  2. Step 2: Convert to fraction form
    14,315.76/19,770.75 = 9,851.04/x
  3. Step 3: Cross multiply
    14,315.76x = 19,770.75 × 9,851.04
  4. Step 4: Simplify right side
    14,315.76x = 194,762,449.08
  5. Step 5: Solve for x
    x = 194,762,449.08/14,315.76
  6. Step 6: Final answer
    x = 13,604.76

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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.