Home / 31,496.99-47,253.60-11,775.69

Finding the Fourth Proportional to 31,496.99, 47,253.60 and 11,775.69

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Solution

The fourth proportional to 31,496.99, 47,253.60 and 11,775.69 is: 17,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,496.99 : 47,253.60 = 11,775.69 : x
  2. Step 2: Convert to fraction form
    31,496.99/47,253.60 = 11,775.69/x
  3. Step 3: Cross multiply
    31,496.99x = 47,253.60 × 11,775.69
  4. Step 4: Simplify right side
    31,496.99x = 556,443,744.98
  5. Step 5: Solve for x
    x = 556,443,744.98/31,496.99
  6. Step 6: Final answer
    x = 17,666.57

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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.