Home / 19,868.08-27,418.08-10,916.32

Finding the Fourth Proportional to 19,868.08, 27,418.08 and 10,916.32

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Solution

The fourth proportional to 19,868.08, 27,418.08 and 10,916.32 is: 15,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.08 : 27,418.08 = 10,916.32 : x
  2. Step 2: Convert to fraction form
    19,868.08/27,418.08 = 10,916.32/x
  3. Step 3: Cross multiply
    19,868.08x = 27,418.08 × 10,916.32
  4. Step 4: Simplify right side
    19,868.08x = 299,304,535.07
  5. Step 5: Solve for x
    x = 299,304,535.07/19,868.08
  6. Step 6: Final answer
    x = 15,064.59

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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.