Home / 19,372.10-26,726.90-12,302.60

Finding the Fourth Proportional to 19,372.10, 26,726.90 and 12,302.60

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Solution

The fourth proportional to 19,372.10, 26,726.90 and 12,302.60 is: 16,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.10 : 26,726.90 = 12,302.60 : x
  2. Step 2: Convert to fraction form
    19,372.10/26,726.90 = 12,302.60/x
  3. Step 3: Cross multiply
    19,372.10x = 26,726.90 × 12,302.60
  4. Step 4: Simplify right side
    19,372.10x = 328,810,359.94
  5. Step 5: Solve for x
    x = 328,810,359.94/19,372.10
  6. Step 6: Final answer
    x = 16,973.40

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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.