Home / 19,188.96-26,491.11-13,463.94

Finding the Fourth Proportional to 19,188.96, 26,491.11 and 13,463.94

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Solution

The fourth proportional to 19,188.96, 26,491.11 and 13,463.94 is: 18,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.96 : 26,491.11 = 13,463.94 : x
  2. Step 2: Convert to fraction form
    19,188.96/26,491.11 = 13,463.94/x
  3. Step 3: Cross multiply
    19,188.96x = 26,491.11 × 13,463.94
  4. Step 4: Simplify right side
    19,188.96x = 356,674,715.57
  5. Step 5: Solve for x
    x = 356,674,715.57/19,188.96
  6. Step 6: Final answer
    x = 18,587.50

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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.