Home / 23,158.23-31,934.93-20,597.90

Finding the Fourth Proportional to 23,158.23, 31,934.93 and 20,597.90

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Solution

The fourth proportional to 23,158.23, 31,934.93 and 20,597.90 is: 28,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.23 : 31,934.93 = 20,597.90 : x
  2. Step 2: Convert to fraction form
    23,158.23/31,934.93 = 20,597.90/x
  3. Step 3: Cross multiply
    23,158.23x = 31,934.93 × 20,597.90
  4. Step 4: Simplify right side
    23,158.23x = 657,792,231.98
  5. Step 5: Solve for x
    x = 657,792,231.98/23,158.23
  6. Step 6: Final answer
    x = 28,404.25

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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.