Home / 14,575.69-20,114.45-8,288.06

Finding the Fourth Proportional to 14,575.69, 20,114.45 and 8,288.06

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Solution

The fourth proportional to 14,575.69, 20,114.45 and 8,288.06 is: 11,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.69 : 20,114.45 = 8,288.06 : x
  2. Step 2: Convert to fraction form
    14,575.69/20,114.45 = 8,288.06/x
  3. Step 3: Cross multiply
    14,575.69x = 20,114.45 × 8,288.06
  4. Step 4: Simplify right side
    14,575.69x = 166,709,839.47
  5. Step 5: Solve for x
    x = 166,709,839.47/14,575.69
  6. Step 6: Final answer
    x = 11,437.53

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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.