Home / 19,165.57-26,460.64-13,125.94

Finding the Fourth Proportional to 19,165.57, 26,460.64 and 13,125.94

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Solution

The fourth proportional to 19,165.57, 26,460.64 and 13,125.94 is: 18,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.57 : 26,460.64 = 13,125.94 : x
  2. Step 2: Convert to fraction form
    19,165.57/26,460.64 = 13,125.94/x
  3. Step 3: Cross multiply
    19,165.57x = 26,460.64 × 13,125.94
  4. Step 4: Simplify right side
    19,165.57x = 347,320,773.00
  5. Step 5: Solve for x
    x = 347,320,773.00/19,165.57
  6. Step 6: Final answer
    x = 18,122.12

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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.