Home / 23,016.68-31,763.57-12,807.84

Finding the Fourth Proportional to 23,016.68, 31,763.57 and 12,807.84

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Solution

The fourth proportional to 23,016.68, 31,763.57 and 12,807.84 is: 17,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,016.68 : 31,763.57 = 12,807.84 : x
  2. Step 2: Convert to fraction form
    23,016.68/31,763.57 = 12,807.84/x
  3. Step 3: Cross multiply
    23,016.68x = 31,763.57 × 12,807.84
  4. Step 4: Simplify right side
    23,016.68x = 406,822,658.35
  5. Step 5: Solve for x
    x = 406,822,658.35/23,016.68
  6. Step 6: Final answer
    x = 17,675.13

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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.