Home / 19,888.81-27,445.53-10,936.08

Finding the Fourth Proportional to 19,888.81, 27,445.53 and 10,936.08

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Solution

The fourth proportional to 19,888.81, 27,445.53 and 10,936.08 is: 15,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.81 : 27,445.53 = 10,936.08 : x
  2. Step 2: Convert to fraction form
    19,888.81/27,445.53 = 10,936.08/x
  3. Step 3: Cross multiply
    19,888.81x = 27,445.53 × 10,936.08
  4. Step 4: Simplify right side
    19,888.81x = 300,146,552.73
  5. Step 5: Solve for x
    x = 300,146,552.73/19,888.81
  6. Step 6: Final answer
    x = 15,091.23

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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.