Home / 19,347.55-26,640.05-16,943.67

Finding the Fourth Proportional to 19,347.55, 26,640.05 and 16,943.67

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Solution

The fourth proportional to 19,347.55, 26,640.05 and 16,943.67 is: 23,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.55 : 26,640.05 = 16,943.67 : x
  2. Step 2: Convert to fraction form
    19,347.55/26,640.05 = 16,943.67/x
  3. Step 3: Cross multiply
    19,347.55x = 26,640.05 × 16,943.67
  4. Step 4: Simplify right side
    19,347.55x = 451,380,215.98
  5. Step 5: Solve for x
    x = 451,380,215.98/19,347.55
  6. Step 6: Final answer
    x = 23,330.10

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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.