Home / 15,443.28-23,164.79-3,756.51

Finding the Fourth Proportional to 15,443.28, 23,164.79 and 3,756.51

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Solution

The fourth proportional to 15,443.28, 23,164.79 and 3,756.51 is: 5,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.28 : 23,164.79 = 3,756.51 : x
  2. Step 2: Convert to fraction form
    15,443.28/23,164.79 = 3,756.51/x
  3. Step 3: Cross multiply
    15,443.28x = 23,164.79 × 3,756.51
  4. Step 4: Simplify right side
    15,443.28x = 87,018,746.50
  5. Step 5: Solve for x
    x = 87,018,746.50/15,443.28
  6. Step 6: Final answer
    x = 5,634.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.