Home / 19,521.85-26,939.83-10,569.28

Finding the Fourth Proportional to 19,521.85, 26,939.83 and 10,569.28

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Solution

The fourth proportional to 19,521.85, 26,939.83 and 10,569.28 is: 14,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.85 : 26,939.83 = 10,569.28 : x
  2. Step 2: Convert to fraction form
    19,521.85/26,939.83 = 10,569.28/x
  3. Step 3: Cross multiply
    19,521.85x = 26,939.83 × 10,569.28
  4. Step 4: Simplify right side
    19,521.85x = 284,734,606.42
  5. Step 5: Solve for x
    x = 284,734,606.42/19,521.85
  6. Step 6: Final answer
    x = 14,585.43

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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.