Home / 15,491.48-23,238.66-5,103.32

Finding the Fourth Proportional to 15,491.48, 23,238.66 and 5,103.32

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Solution

The fourth proportional to 15,491.48, 23,238.66 and 5,103.32 is: 7,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.48 : 23,238.66 = 5,103.32 : x
  2. Step 2: Convert to fraction form
    15,491.48/23,238.66 = 5,103.32/x
  3. Step 3: Cross multiply
    15,491.48x = 23,238.66 × 5,103.32
  4. Step 4: Simplify right side
    15,491.48x = 118,594,318.35
  5. Step 5: Solve for x
    x = 118,594,318.35/15,491.48
  6. Step 6: Final answer
    x = 7,655.45

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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.