Home / 22,765.92-31,368.24-15,300.96

Finding the Fourth Proportional to 22,765.92, 31,368.24 and 15,300.96

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Solution

The fourth proportional to 22,765.92, 31,368.24 and 15,300.96 is: 21,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.92 : 31,368.24 = 15,300.96 : x
  2. Step 2: Convert to fraction form
    22,765.92/31,368.24 = 15,300.96/x
  3. Step 3: Cross multiply
    22,765.92x = 31,368.24 × 15,300.96
  4. Step 4: Simplify right side
    22,765.92x = 479,964,185.51
  5. Step 5: Solve for x
    x = 479,964,185.51/22,765.92
  6. Step 6: Final answer
    x = 21,082.57

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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.