Home / 15,475.54-21,348.48-10,433.38

Finding the Fourth Proportional to 15,475.54, 21,348.48 and 10,433.38

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Solution

The fourth proportional to 15,475.54, 21,348.48 and 10,433.38 is: 14,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.54 : 21,348.48 = 10,433.38 : x
  2. Step 2: Convert to fraction form
    15,475.54/21,348.48 = 10,433.38/x
  3. Step 3: Cross multiply
    15,475.54x = 21,348.48 × 10,433.38
  4. Step 4: Simplify right side
    15,475.54x = 222,736,804.26
  5. Step 5: Solve for x
    x = 222,736,804.26/15,475.54
  6. Step 6: Final answer
    x = 14,392.83

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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.