Home / 15,996.56-22,055.64-13,154

Finding the Fourth Proportional to 15,996.56, 22,055.64 and 13,154

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Solution

The fourth proportional to 15,996.56, 22,055.64 and 13,154 is: 18,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.56 : 22,055.64 = 13,154 : x
  2. Step 2: Convert to fraction form
    15,996.56/22,055.64 = 13,154/x
  3. Step 3: Cross multiply
    15,996.56x = 22,055.64 × 13,154
  4. Step 4: Simplify right side
    15,996.56x = 290,119,888.56
  5. Step 5: Solve for x
    x = 290,119,888.56/15,996.56
  6. Step 6: Final answer
    x = 18,136.39

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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.