Home / 31,669.38-47,499.21-14,136.12

Finding the Fourth Proportional to 31,669.38, 47,499.21 and 14,136.12

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Solution

The fourth proportional to 31,669.38, 47,499.21 and 14,136.12 is: 21,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.38 : 47,499.21 = 14,136.12 : x
  2. Step 2: Convert to fraction form
    31,669.38/47,499.21 = 14,136.12/x
  3. Step 3: Cross multiply
    31,669.38x = 47,499.21 × 14,136.12
  4. Step 4: Simplify right side
    31,669.38x = 671,454,532.47
  5. Step 5: Solve for x
    x = 671,454,532.47/31,669.38
  6. Step 6: Final answer
    x = 21,202.01

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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.