Home / 20,631.93-28,362.57-17,750.13

Finding the Fourth Proportional to 20,631.93, 28,362.57 and 17,750.13

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Solution

The fourth proportional to 20,631.93, 28,362.57 and 17,750.13 is: 24,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631.93 : 28,362.57 = 17,750.13 : x
  2. Step 2: Convert to fraction form
    20,631.93/28,362.57 = 17,750.13/x
  3. Step 3: Cross multiply
    20,631.93x = 28,362.57 × 17,750.13
  4. Step 4: Simplify right side
    20,631.93x = 503,439,304.63
  5. Step 5: Solve for x
    x = 503,439,304.63/20,631.93
  6. Step 6: Final answer
    x = 24,400.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.