Home / 18,569.80-25,617.63-12,206.98

Finding the Fourth Proportional to 18,569.80, 25,617.63 and 12,206.98

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Solution

The fourth proportional to 18,569.80, 25,617.63 and 12,206.98 is: 16,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.80 : 25,617.63 = 12,206.98 : x
  2. Step 2: Convert to fraction form
    18,569.80/25,617.63 = 12,206.98/x
  3. Step 3: Cross multiply
    18,569.80x = 25,617.63 × 12,206.98
  4. Step 4: Simplify right side
    18,569.80x = 312,713,897.06
  5. Step 5: Solve for x
    x = 312,713,897.06/18,569.80
  6. Step 6: Final answer
    x = 16,839.92

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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.