Home / 14,775.81-22,163.31-4,780.53

Finding the Fourth Proportional to 14,775.81, 22,163.31 and 4,780.53

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Solution

The fourth proportional to 14,775.81, 22,163.31 and 4,780.53 is: 7,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.81 : 22,163.31 = 4,780.53 : x
  2. Step 2: Convert to fraction form
    14,775.81/22,163.31 = 4,780.53/x
  3. Step 3: Cross multiply
    14,775.81x = 22,163.31 × 4,780.53
  4. Step 4: Simplify right side
    14,775.81x = 105,952,368.35
  5. Step 5: Solve for x
    x = 105,952,368.35/14,775.81
  6. Step 6: Final answer
    x = 7,170.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.