Home / 19,372.71-26,666.33-16,977.04

Finding the Fourth Proportional to 19,372.71, 26,666.33 and 16,977.04

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Solution

The fourth proportional to 19,372.71, 26,666.33 and 16,977.04 is: 23,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.71 : 26,666.33 = 16,977.04 : x
  2. Step 2: Convert to fraction form
    19,372.71/26,666.33 = 16,977.04/x
  3. Step 3: Cross multiply
    19,372.71x = 26,666.33 × 16,977.04
  4. Step 4: Simplify right side
    19,372.71x = 452,715,326.84
  5. Step 5: Solve for x
    x = 452,715,326.84/19,372.71
  6. Step 6: Final answer
    x = 23,368.71

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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.