Home / 15,477.81-23,216.67-5,617.05

Finding the Fourth Proportional to 15,477.81, 23,216.67 and 5,617.05

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Solution

The fourth proportional to 15,477.81, 23,216.67 and 5,617.05 is: 8,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.81 : 23,216.67 = 5,617.05 : x
  2. Step 2: Convert to fraction form
    15,477.81/23,216.67 = 5,617.05/x
  3. Step 3: Cross multiply
    15,477.81x = 23,216.67 × 5,617.05
  4. Step 4: Simplify right side
    15,477.81x = 130,409,196.22
  5. Step 5: Solve for x
    x = 130,409,196.22/15,477.81
  6. Step 6: Final answer
    x = 8,425.56

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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.