Home / 19,136.30-26,412.38-10,641.39

Finding the Fourth Proportional to 19,136.30, 26,412.38 and 10,641.39

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Solution

The fourth proportional to 19,136.30, 26,412.38 and 10,641.39 is: 14,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.30 : 26,412.38 = 10,641.39 : x
  2. Step 2: Convert to fraction form
    19,136.30/26,412.38 = 10,641.39/x
  3. Step 3: Cross multiply
    19,136.30x = 26,412.38 × 10,641.39
  4. Step 4: Simplify right side
    19,136.30x = 281,064,383.20
  5. Step 5: Solve for x
    x = 281,064,383.20/19,136.30
  6. Step 6: Final answer
    x = 14,687.50

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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.