Home / 19,459.85-26,826.59-13,861.13

Finding the Fourth Proportional to 19,459.85, 26,826.59 and 13,861.13

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Solution

The fourth proportional to 19,459.85, 26,826.59 and 13,861.13 is: 19,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.85 : 26,826.59 = 13,861.13 : x
  2. Step 2: Convert to fraction form
    19,459.85/26,826.59 = 13,861.13/x
  3. Step 3: Cross multiply
    19,459.85x = 26,826.59 × 13,861.13
  4. Step 4: Simplify right side
    19,459.85x = 371,846,751.97
  5. Step 5: Solve for x
    x = 371,846,751.97/19,459.85
  6. Step 6: Final answer
    x = 19,108.41

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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.