Home / 26,631.24-36,752.30-15,304.40

Finding the Fourth Proportional to 26,631.24, 36,752.30 and 15,304.40

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Solution

The fourth proportional to 26,631.24, 36,752.30 and 15,304.40 is: 21,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.24 : 36,752.30 = 15,304.40 : x
  2. Step 2: Convert to fraction form
    26,631.24/36,752.30 = 15,304.40/x
  3. Step 3: Cross multiply
    26,631.24x = 36,752.30 × 15,304.40
  4. Step 4: Simplify right side
    26,631.24x = 562,471,900.12
  5. Step 5: Solve for x
    x = 562,471,900.12/26,631.24
  6. Step 6: Final answer
    x = 21,120.76

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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.