Home / 19,947.09-27,526.86-10,872.45

Finding the Fourth Proportional to 19,947.09, 27,526.86 and 10,872.45

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Solution

The fourth proportional to 19,947.09, 27,526.86 and 10,872.45 is: 15,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.09 : 27,526.86 = 10,872.45 : x
  2. Step 2: Convert to fraction form
    19,947.09/27,526.86 = 10,872.45/x
  3. Step 3: Cross multiply
    19,947.09x = 27,526.86 × 10,872.45
  4. Step 4: Simplify right side
    19,947.09x = 299,284,409.01
  5. Step 5: Solve for x
    x = 299,284,409.01/19,947.09
  6. Step 6: Final answer
    x = 15,003.91

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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.