Home / 23,036.37-31,799.99-15,487.08

Finding the Fourth Proportional to 23,036.37, 31,799.99 and 15,487.08

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Solution

The fourth proportional to 23,036.37, 31,799.99 and 15,487.08 is: 21,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,036.37 : 31,799.99 = 15,487.08 : x
  2. Step 2: Convert to fraction form
    23,036.37/31,799.99 = 15,487.08/x
  3. Step 3: Cross multiply
    23,036.37x = 31,799.99 × 15,487.08
  4. Step 4: Simplify right side
    23,036.37x = 492,488,868.85
  5. Step 5: Solve for x
    x = 492,488,868.85/23,036.37
  6. Step 6: Final answer
    x = 21,378.76

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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.