Home / 14,148.07-19,524.96-7,860.45

Finding the Fourth Proportional to 14,148.07, 19,524.96 and 7,860.45

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Solution

The fourth proportional to 14,148.07, 19,524.96 and 7,860.45 is: 10,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.07 : 19,524.96 = 7,860.45 : x
  2. Step 2: Convert to fraction form
    14,148.07/19,524.96 = 7,860.45/x
  3. Step 3: Cross multiply
    14,148.07x = 19,524.96 × 7,860.45
  4. Step 4: Simplify right side
    14,148.07x = 153,474,834.90
  5. Step 5: Solve for x
    x = 153,474,834.90/14,148.07
  6. Step 6: Final answer
    x = 10,847.76

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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.