Home / 20,549.30-30,935.93-14,016.65

Finding the Fourth Proportional to 20,549.30, 30,935.93 and 14,016.65

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Solution

The fourth proportional to 20,549.30, 30,935.93 and 14,016.65 is: 21,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.30 : 30,935.93 = 14,016.65 : x
  2. Step 2: Convert to fraction form
    20,549.30/30,935.93 = 14,016.65/x
  3. Step 3: Cross multiply
    20,549.30x = 30,935.93 × 14,016.65
  4. Step 4: Simplify right side
    20,549.30x = 433,617,878.47
  5. Step 5: Solve for x
    x = 433,617,878.47/20,549.30
  6. Step 6: Final answer
    x = 21,101.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.