Home / 14,189.40-19,586.10-8,227.08

Finding the Fourth Proportional to 14,189.40, 19,586.10 and 8,227.08

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Solution

The fourth proportional to 14,189.40, 19,586.10 and 8,227.08 is: 11,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.40 : 19,586.10 = 8,227.08 : x
  2. Step 2: Convert to fraction form
    14,189.40/19,586.10 = 8,227.08/x
  3. Step 3: Cross multiply
    14,189.40x = 19,586.10 × 8,227.08
  4. Step 4: Simplify right side
    14,189.40x = 161,136,411.59
  5. Step 5: Solve for x
    x = 161,136,411.59/14,189.40
  6. Step 6: Final answer
    x = 11,356.11

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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.