Home / 19,933.64-29,900.51-18,715.76

Finding the Fourth Proportional to 19,933.64, 29,900.51 and 18,715.76

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Solution

The fourth proportional to 19,933.64, 29,900.51 and 18,715.76 is: 28,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.64 : 29,900.51 = 18,715.76 : x
  2. Step 2: Convert to fraction form
    19,933.64/29,900.51 = 18,715.76/x
  3. Step 3: Cross multiply
    19,933.64x = 29,900.51 × 18,715.76
  4. Step 4: Simplify right side
    19,933.64x = 559,610,708.27
  5. Step 5: Solve for x
    x = 559,610,708.27/19,933.64
  6. Step 6: Final answer
    x = 28,073.68

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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.